A single thickness of a material covering a surface or forming an overlying part. The cake had a layer of chocolate icing on top.
A level of material, typically one of several, covering a surface or forming a part of a structure. The archaeologists discovered a layer of ancient pottery beneath the soil.
A stratum of the atmosphere or the earth. The ozone layer protects the Earth from harmful ultraviolet rays.
A person or thing that lays something, such as a hen that lays eggs. The farmer was proud of his best layer, which produced the most eggs.
A distinct level or tier within a non-physical or conceptual structure, especially in computing, organization, or analysis. The network operates on multiple layers, with the application layer handling user requests.
Horticulture: a shoot or branch bent to the ground and partially covered with soil to take root while still attached to the parent plant. The gardener inserted a peg to keep the layer in contact with the moist soil.