a self-contained part of a larger composition (written or musical)

a very thin slice (of tissue or mineral or other substance) for examination under a microscope

a distinct region or subdivision of a territorial or political area or community or group of people

one of several parts or pieces that fit with others to constitute a whole object

a small team of policemen working as part of a police platoon

one of the portions into which something is regarded as divided and which together constitute a whole

a land unit equal to 1 square mile

(geometry) the area created by a plane cutting through a solid

a small class of students who are part of a larger course but are taught separately

a division of an orchestra containing all instruments of the same class

a small army unit usually having a special function

a specialized division of a large organization

a segment of a citrus fruit

the cutting of or into body tissues or organs (especially by a surgeon as part of an operation)