Meaning

• One of several parallel horizontal layers of material arranged one on top of another.

• A layer of sedimentary rock having approximately the same composition throughout.

• Any of the regions of the atmosphere, such as the stratosphere, that occur as layers.

• A layer of tissue.

• A class of society composed of people with similar social, cultural, or economic status.

• A layer of vegetation, usually of similar height.

• The level of accuracy of a computer's clock, relative to others on the network.