segment

Any of the parts into which something can be divided.

The portion of a line between any two points on the line.

The area bounded by a chord and the arc of a curve subtended by the chord.

The portion of a sphere cut off by two parallel planes.

A clearly differentiated subdivision of an organism or part, such as a metamere.

To divide or become divided into segments.

An element of a machine, such as a toothed wheel, cam, or pulley, the active surface of which is not a full surface of revolution, but only a segment or part of such surface.

To divide or become divided or split up into segments.

To separate or divide into segments: as, a segmented cell.