noun lay·er \ˈlā-ər, ˈler\

: an amount of something that is spread over an area

: a covering piece of material or a part that lies over or under another

: a bird that lays eggs

Full Definition of LAYER

:  one that lays (as a worker who lays brick or a hen that lays eggs)
a :  one thickness, course, or fold laid or lying over or under another
b :  stratum
c :  horizon 2
a :  a branch or shoot of a plant that roots while still attached to the parent plant
b :  a plant developed by layering
lay·ered \ˈlā-ərd, ˈlerd\ adjective

Examples of LAYER

  1. Everything was covered by a thin layer of sand.
  2. The top layer of the rug is badly worn but the bottom layer is still OK.
  3. The cake has three layers.
  4. She glued together several layers of paper.
  5. He was wearing several layers of clothing.
  6. rocks that formed in layers from flows of lava

First Known Use of LAYER

13th century

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale



: to form or arrange parts or pieces of something on top of each other : to form or arrange (something) in layers

Full Definition of LAYER

transitive verb
:  to propagate (a plant) by means of layers
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
a :  to separate into layers
b :  to form out of superimposed layers
of a plant :  to form roots where a stem comes in contact with the ground

Examples of LAYER

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

First Known Use of LAYER



noun lay·er \ˈlā-ər, ˈle(-ə)r\   (Medical Dictionary)

Medical Definition of LAYER

:  one thickness, course, or fold laid or lying over or under another
:  stratum 1 <the outer layers of the skin>
layer verb


Next Word in the Dictionary: layeragePrevious Word in the Dictionary: lay elderAll Words Near: layer
May 28, 2015
fictioneer Hear it
someone who writes fiction
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears