Definition of segment
(Entry 1 of 2)
1
: a portion cut off from a geometric figure by one or more points, lines, or planes: such as
a
: the area of a circle bounded by a chord and an arc of that circle
b
: the part of a sphere cut off by a plane or included between two parallel planes
c
: the finite part of a line between two points in the line
segment
verb
segmented; segmenting; segments
Definition of segment (Entry 2 of 2)
: to separate into segments : give off as segments
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Merriam-Webster unabridged
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Time Traveler for segment
The first known use of segment was in 1570
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