plural segments
1
: one of the parts into which something can be divided : section
The railroad track is divided into segments.
—often + ofin the final segment of the book
The segment of the population over 70 years of age is growing larger.
The company controls a large segment of the market.
the segments of an orange
2
geometry
a
: a part of a circle formed by drawing a straight line between two points on the circle
b
: a part of a straight line between two points
segments; segmented; segmenting
: to divide (something) into parts
Market researchers have segmented the population into different age groups.
Cite this Entry
“Segment.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/segment. Accessed 18 Jun. 2026.
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