each of the separate pieces that something is or can be divided into
any of the constituent parts into which a body, entity, or quantity is divided or marked off
Language can only deal meaningfully with a special, restricted segment of reality — George Steiner
in mathematics, a portion cut off from a geometrical figure by one or more points, lines, or planes, e.g.:
a part of a circular area bounded by a chord of that circle and the arc subtended by it: compare sector
a part of a sphere cut off by a plane or included between two parallel planes
the part of a line between two points in the line
in linguistics, any of the series of vowels and consonants into which an utterance can be divided
segmental /segʹmentl/ adj
segmentally /segʹmentəli/ adv
segmentary adj
[Latin segmentum, from secare to cut]