one of the parts into which something naturally separates or is divided; a division, portion, or section:
a segment of an orange.

a part cut off from a figure, especially a circular or spherical one, by a line or plane, as a part of a circular area contained by an arc and its chord or by two parallel lines or planes.
Also called line segment. a finite section of a line.


any of the rings that compose the body of an annelid or arthropod.
any of the discrete parts of the body of an animal, especially of an arthropod.

an object, as a machine part, having the form of a segment or sector of a circle.

a portion of a program, often one that can be loaded and executed independently of other portions.
a unit of data in a database.

an arclike support on which the typebars of a typewriter rest when not in use.
verb (used with or without object)
to separate or divide into segments.
noun (ˈsɛɡmənt)

a part of a line or curve between two points
a part of a plane or solid figure cut off by an intersecting line, plane, or planes, esp one between a chord and an arc of a circle

one of several parts or sections into which an object is divided; portion
(zoology) any of the parts into which the body or appendages of an annelid or arthropod are divided
(linguistics) a speech sound considered in isolation
verb (sɛɡˈmɛnt)
to cut or divide (a whole object) into segments

segment seg·ment (sěg’mənt)

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

A part of an organ having independent function, supply, or drainage.

See zona.


The portion of a line between any two of its points.

The region bounded by an arc of a circle and the chord that connects the endpoints of the arc.

The portion of a sphere included between a pair of parallel planes that intersect it or are tangent to it.

/seg’ment/ 1. A collection of pages in a memory management system.
2. A separately relocatable section of an executable program. Unix executables have a text segment (executable machine instructions), a data segment (initialised data) and a bss segment (uninitialised data).
3. network segment.
4. To experience a segmentation fault. Confusingly, the stress is often put on the first syllable, like the noun “segment”, rather than the second like mainstream verb “segment”. This is because it is actually a noun shorthand that has been verbed.
5. A block of memory in a segmented address space.
[Jargon File]


Read Also:

  • Segmental

    adjective 1. of, relating to, or characterized by segments or segmentation. 2. Linguistics. noting or pertaining to the discrete elements of sequential speech, as consonants and vowels. adjective 1. of, like, or having the form of a segment 2. divided into segments 3. (linguistics) of, relating to, or constituting an isolable speech sound

  • Segmental anesthesia

    segmental anesthesia seg·men·tal anesthesia (sěg-měn’tl) n. Loss of sensation limited to an area supplied by one or more spinal nerve roots.

  • Segmentalize

    [seg-men-tl-ahyz] /sɛgˈmɛn tlˌaɪz/ verb (used with object), segmentalized, segmentalizing. 1. to make segmentalized.

  • Segmentalized

    [seg-men-tl-ahyzd] /sɛgˈmɛn tlˌaɪzd/ adjective 1. separated into parts, sections, elements, classes, etc.; compartmentalized: a segmentalized society. segmentalize [seg-men-tl-ahyz] /sɛgˈmɛn tlˌaɪz/ verb (used with object), segmentalized, segmentalizing. 1. to make segmentalized.

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