layer

1 of 2

noun

lay·​er ˈlā-ər  ˈler 

1

: one that lays something (such as a worker who lays brick or a hen that lays eggs)

2

a

: one thickness, course, or fold laid or lying over or under another

b

: stratum

c

: horizon sense 2

3

a

: a branch or shoot of a plant that roots while still attached to the parent plant

b

: a plant developed by layering

layered

ˈlā-ərd  ˈlerd 

adjective

layer

2 of 2

verb

layered; layering; layers

transitive verb

1

: to propagate (a plant) by means of layers

2

a

: to place as a layer

b

: to place a layer on top of

pancakes layered with butter and syrup

c

: to form or arrange in layers

intransitive verb

1

a

: to separate into layers

b

: to form out of superimposed layers

2

of a plant : to form roots where a stem comes in contact with the ground

Examples of layer in a Sentence

Noun

Everything was covered by a thin layer of sand.

The top layer of the rug is badly worn but the bottom layer is still OK.

The cake has three layers.

She glued together several layers of paper.

He was wearing several layers of clothing.

rocks that formed in layers from flows of lava

Verb

We layered the fruit with whipped cream and served it with cookies.

Recent Examples on the Web

Noun

This assortment features best sellers including the 24/7 Classic T-Shirt Bra, which has support, comfort adjustable straps and no-show double-layer back. — ABC News, 15 Aug. 2026

Below the bridge, there's also been work to restore wetlands, adding another layer to the effort to preserve the area surrounding the historic structure. — Spencer Wilson, CBS News, 14 Aug. 2026

Verb

The allegedly undisclosed arrangement added a second layer of fees on top of the initial layer, and layered in additional risk to the funds, the complaint stated. — Amanda Gerut, Fortune, 15 Aug. 2026

The pastry shell is layered first with roasted broccoli rabe, roasted garlic and stracciatella and parmesan cheese. — Linda Zavoral, Mercury News, 15 Aug. 2026

Word History

First Known Use

Noun

13th century, in the meaning defined at sense 1

Verb

1831, in the meaning defined at intransitive sense 2

Phrases Containing layer

• atomic layer deposition
• boundary layer
• D layer
• E layer
• F layer
• germ layer
• Heaviside layer
• layer cake
• Malpighian layer
• ozone layer
• palisade layer
• sporadic E layer
• thin-layer chromatography

Rhymes for layer

• gayer
• grayer
• greyer
• mayor
• nayar
• payer
• payor
• peyer
• player
• preyer
• sayer
• slayer

Kids Definition

layer

1 of 2 noun

lay·​er ˈlā-ər 

ˈle(-ə)r

1

: one that lays

their hens were poor layers

2

: one thickness or fold over or under another

a layer or rock

layered

ˈlā-ərd 

ˈle(-ə)rd

adjective

layer

2 of 2 verb

1

: to separate into layers

2

: to form by adding layers

Medical Definition

layer

noun

lay·​er ˈlā-ər, ˈle(-ə)r 

1

: one thickness, course, or fold laid or lying over or under another

2

: stratum sense 1

the outer layers of the skin

layer verb