# A single thickness of a material covering a surface or forming an overlying part or segment: a layer of dust on the windowsill; a cake with four layers.Meaning #1: single thickness of usually some homogeneous substance

Meaning #2: a relatively thin sheetlike expanse or region lying over or under another

Meaning #3: an abstract place usually conceived as having depth
Synonyms: level, stratum

Meaning #4: a hen that lays eggs

Meaning #5: thin structure composed of a single thickness of cells

The verb layer has one meaning:

Meaning #1: make or form a layer.

Español (Spanish)
n. - capa, estrato, revestimiento, gallina ponedora, película, cubierta
v. tr. - cubrir de una capa, acodar
v. intr. - acamarse (las mieses)

driv·ing (drī'vĭng) pronunciation
adj.

1. Transmitting power or motion.
2. Violent, intense, or forceful: a driving rain.
3. Energetic or active: a driving personality.

driv'ing·ly adv.

driving

adjective

Disposed to action: active, brisk, dynamic, dynamical, energetic, enterprising, lively, peppy, sprightly, spry, vigorous, zippy. Informal snappy. See action/inaction.