Sewing and quilting glossary

Plain meanings for the machine parts, stitches and quilt-making steps in our guides.

A

Automatic buttonhole

A machine setting that forms a buttonhole in a programmed sequence.

Read our guideAutomatic buttonhole explained

B

Backing

The fabric layer on the back of a quilt.

Read our guideBatting Fabric: Name the Middle Layer Before You Buy
Backstitch

Sewing a few stitches in reverse to help secure a seam end.

Read our guideLone Star Quilt Construction: Diamonds, Alignment and Finishing
Ballpoint

A needle tip that parts knit fibres rather than sharply piercing them.

Read our guideSewing Machine Skipping Stitches
Basting

Temporary stitches used to hold layers or pieces in place before final sewing.

Read our guideMachine Quilting for Beginners: Your First Straight Lines
Batting

The middle layer of padding inside a quilt.

Read our guideBatting for Quilts: Compare Fiber, Loft and Stitch Spacing
Bias

A direction diagonal to the grain of woven fabric. A true bias cut is at 45 degrees.

Read our guideBinding: Quilt Edge Types and How to Choose
Binding

A strip of fabric used to cover and finish the outer edges of a quilt.

Read our guideBinding: Quilt Edge Types and How to Choose
Block

A unit of a quilt design, often made by joining smaller fabric shapes.

Read our guideFree Quilt Block Patterns: Three 8-Inch Blocks to Sew
Bobbin

The small spool that holds the lower thread on many sewing machines.

Read our guideBobbin Tension on a Sewing Machine
Bobbin case

The part that holds the bobbin and helps control the lower thread.

Read our guideBobbin Tension on a Sewing Machine

C

Cotton batting

Quilt padding made with cotton fibres.

Read our guideCotton batting explained
Coverstitch

A stitch with parallel rows on top and looping thread underneath, often used on knit hems.

Read our guideCoverstitch, Explained
Crib quilt

A small quilt sized for a nursery project; dimensions vary by pattern.

Read our guideCrib quilt explained

D

Diamond piecing

Joining diamond-shaped patches to create an angled quilt design.

Read our guideDiamond piecing explained
Differential feed

A serger system with separate feed sections whose speeds can differ to control stretch or gathering.

Read our guide4 Best Beginner Overlockers and How to Choose in 2026

F

Fat quarter

A fabric cut made by halving a half-yard across its width, rather than cutting a long quarter-yard strip.

Read our guideFat Quarter Quilt Patterns: Choose a Bundle and a Layout
Fat quarter bundle

A collection of quarter-yard fabric cuts in the fat-quarter shape.

Read our guideFat quarter bundle explained
Feed dogs

The toothed bars under the presser foot that move fabric through the machine.

Read our guideHow to Fix a Sewing Machine: A Step-by-Step Home Guide
Four-patch

A quilt block made from four squares in a two-by-two grid.

Read our guideFour-patch explained
Free-motion

Sewing with the feed dogs lowered or covered so you guide the fabric in any direction.

Read our guideMachine Quilting for Beginners: Your First Straight Lines
Free-motion foot

A presser foot used while you steer quilting stitches by hand.

Read our guideFree-motion foot explained

G

Grain

The direction of the threads in woven fabric.

Read our guideBinding: Quilt Edge Types and How to Choose

H

Half-square triangle

A square quilt unit divided diagonally into two triangles.

Read our guideHalf-square triangle explained
Hand quilting

Making quilting stitches with a hand needle.

Read our guideHand quilting explained
Hem

An edge finish, often made by folding the fabric edge and stitching it down.

Read our guideCoverstitch vs. Overlock

L

Loft

The thickness or puffiness of quilt batting, which affects the finished feel and stitching.

Read our guideBatting for Quilts: Compare Fiber, Loft and Stitch Spacing
Longarm

A quilting machine with a large working throat, often used on a frame.

Read our guideLongarm explained

M

Machine binding

Attaching a quilt edge finish using machine stitches.

Read our guideMachine binding explained

N

Needle plate

The flat plate under the needle, with openings for the needle and feed dogs.

Read our guideHow to Fix a Sewing Machine: A Step-by-Step Home Guide
Needle size

A needle designation describing its shaft size; match it to fabric and thread.

Read our guideNeedle size explained
Needle threader

A device that helps pass thread through the eye of a needle.

Read our guide5 Best Mechanical Sewing Machines for Home Projects in 2026
Nine-patch

A quilt block arranged as a three-by-three grid.

Read our guideNine-patch explained

O

Overlock

A stitch that wraps thread around a fabric edge to join or finish it.

Read our guideCoverstitch vs. Overlock

P

Patchwork

Fabric pieces joined to form a larger design or panel.

Read our guidePatchwork Quilt Patterns: Large Prints and Modular Squares
Piecing

Sewing separate fabric pieces together to make a quilt top or block.

Read our guideQuilt Making for Beginners: Learn Each Stage
Presser foot

The machine part that presses fabric against the feed dogs while you sew.

Read our guideTension Disc in a Sewing Machine

Q

Quilt sandwich

The backing, batting and quilt top assembled together.

Read our guideQuilt sandwich explained
Quilt top

The upper fabric layer carrying a quilt design.

Read our guideQuilt top explained
Quilt-as-you-go

Quilting smaller sections before joining the finished units.

Read our guideQuilt-as-you-go explained
Quilting

Stitching through the layers of a quilt to hold them together.

Read our guideQuilt Material: Fabric, Yardage and Your First Quilt in 2026

R

Rolled hem

A narrow edge finish in which the fabric edge is rolled under and stitched.

Read our guide4 Starter Picks for Sergers and Overlock Machines, Plus the Accessories You Need in 2026
Rotary cutter

A cutting tool with a round blade, used with a suitable mat and ruler.

Read our guideBaby Quilt: Plan a Useful Handmade Gift

S

Seam allowance

The fabric between a line of stitching and the cut edge.

Read our guideQuilting Templates: Print, Measure and Choose the Right Type
Seam ripper

A small tool with a pointed blade used to cut and remove stitches.

Read our guideRipper Seams: Fixing a Serged Seam Safely
Serger

A machine that forms overlock stitches around a fabric edge and usually trims it as it sews.

Read our guideBrother 1034D Serger Review: Features, Limits and Who It Suits in 2026
Skipped stitches

Gaps where the machine failed to form a stitch, often linked to the needle, threading or fabric.

Read our guideSewing Machine Skipping Stitches
Stitch length

The distance between successive needle entries along a seam.

Read our guideOverlock Stitch, Explained
Stitch spacing

The distance between quilting lines, limited by the batting maker.

Read our guideStitch spacing explained
Stitch width

The side-to-side span of a stitch, such as a zigzag.

Read our guide4 Best Beginner Overlockers and How to Choose in 2026
Straight stitch

A stitch that forms a straight line, commonly used to join fabric.

Read our guideQuilt Making for Beginners: Learn Each Stage
Straight-line quilting

Quilting with rows of straight machine stitches.

Read our guideStraight-line quilting explained

T

Tension

The pull placed on thread as it passes through a machine, affecting how the stitch forms.

Read our guideBobbin Tension on a Sewing Machine
Tension disc

One of the discs that press on upper thread to control its tension.

Read our guideTension Disc in a Sewing Machine
Thread guide

A machine part that directs thread along the correct threading path.

Read our guideSewing Machine Thread Keeps Breaking
Thread nest

A tangled cluster of thread beneath the stitching.

Read our guideThread nest explained
Throat space

The working area between the needle and machine body.

Read our guideThroat space explained
Topstitch

A visible row of stitching on the outer side of fabric, used for strength or decoration.

Read our guideMachine Binding a Quilt: Back to Front

W

Walking foot

A foot that helps move the top fabric layer with the lower layer to reduce shifting.

Read our guideMachine Quilting for Beginners: Your First Straight Lines

Z

Zigzag

A stitch that moves from side to side, used for tasks such as finishing edges.

Read our guide6 Best Sewing Machines for Clothes and Garments in 2026
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