| 释义 |
lay·er
I. \ˈlāə(r), ˈle(ə)r, ˈleə\ noun
(-s)
Etymology: Middle English leyer, legger, from leyen, leggen to lay + -er
1. : one that lays: as
a. obsolete : mason
b. : one whose work is laying something — usually used in combination
< bricklayer >
c. : a hen that lays or is kept to lay eggs
d. : one who lays odds : bookmaker
e. : a machine for twisting strands in making rope
f. : a workman who removes sheets of handmade paper from the felts after pressing — called also layerman, layman
g. : a member of a gun crew who lays the gun
2.
a. : one thickness, course, or fold laid or lying over or under another
< layer of bricks >
< layer of plaster >
< layer of paint >
< layer of veneer >
< several layers of clothing >
< layers of an onion >
< upper layers of the atmosphere >
b. : stratum, bed
< layer of clay >
< layer of sandstone >
< fill the dish with alternate layers of potatoes and cheese >
c. : horizon 2
d. : any of several strata of plant forms in an ecological association
< a moss layer in a bog >
3.
a. : a branch or shoot of a plant treated to induce rooting while still attached to the parent plant (as by mounding with soil or by bending over and covering often intermittently with soil) — compare stool
b. : a plant prepared by layering
4.
a. dialect England : a field in which a grass and a grain crop are planted together with the grass crop growing up after the grain is harvested
b. archaic : earth suitable for cultivation : soil
c. : lea 2b
5. obsolete : an artificial oyster bed
6. : a pit of strong tanning liquor into which hides are put on coming from the handler
II. verb
(-ed/-ing/-s)
transitive verb
: to propagate (a plant) by means of layers — see air layering, marcottage
intransitive verb
1. : to separate into layers
< mists layered thick about him — Stewart Toland >
2. of a plant : to multiply by layering; especially : to form roots where a stem comes in contact with the ground
< many brambles spread by layering under natural conditions >
III. transitive verb
1.
a. : to place as a layer
< jackets roomy enough to be layered over sweaters >
b. : to place a layer on top of
< pancakes layered with butter and maple syrup >
c. : to form or arrange in layers
intransitive verb
: to form out of superimposed layers |