Ventral segment
Ventral Ven"tral, a. [L. ventralis, fr. venter the belly; perhaps akin to G. wanst: cf. F. ventral.] 1. (Anat.) Of, pertaining to, or situated near, the belly, or ventral side, of an animal or of one of its parts; hemal; abdominal; as, the ventral fin of a fish; the ventral root of a spinal nerve; -- opposed to {dorsal}. [1913 Webster]

2. (Bot.) (a) Of or pertaining to that surface of a carpel, petal, etc., which faces toward the center of a flower. (b) Of or pertaining to the lower side or surface of a creeping moss or other low flowerless plant. Opposed to {dorsal}. [1913 Webster]

{Ventral fins} (Zo["o]l.), the posterior pair of fins of a fish. They are often situated beneath the belly, but sometimes beneath the throat.

{Ventral segment}. (Acoustics) See {Loop}, n., 5. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Ventral segment — Segment Seg ment, n. [L. segmentum, fr. secare to cut, cut off: cf. F. segment. See {Saw} a cutting instrument.] 1. One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion; as, a… …   The Collaborative International Dictionary of English

  • ventral segment — Loop Loop, n. [Cf. Ir. & Gael. lub loop, noose, fold, thong, bend, lub to bend, incline.] 1. A fold or doubling of a thread, cord, rope, etc., through which another thread, cord, etc., can be passed, or which a hook can be hooked into; an eye, as …   The Collaborative International Dictionary of English

  • ventral segment — noun : the portion of a vibrating medium between two successive nodes …   Useful english dictionary

  • Ventral — Ven tral, a. [L. ventralis, fr. venter the belly; perhaps akin to G. wanst: cf. F. ventral.] 1. (Anat.) Of, pertaining to, or situated near, the belly, or ventral side, of an animal or of one of its parts; hemal; abdominal; as, the ventral fin of …   The Collaborative International Dictionary of English

  • Ventral fins — Ventral Ven tral, a. [L. ventralis, fr. venter the belly; perhaps akin to G. wanst: cf. F. ventral.] 1. (Anat.) Of, pertaining to, or situated near, the belly, or ventral side, of an animal or of one of its parts; hemal; abdominal; as, the… …   The Collaborative International Dictionary of English

  • Segment — Seg ment, n. [L. segmentum, fr. secare to cut, cut off: cf. F. segment. See {Saw} a cutting instrument.] 1. One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion; as, a segment of… …   The Collaborative International Dictionary of English

  • Segment gear — Segment Seg ment, n. [L. segmentum, fr. secare to cut, cut off: cf. F. segment. See {Saw} a cutting instrument.] 1. One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion; as, a… …   The Collaborative International Dictionary of English

  • Segment of a line — Segment Seg ment, n. [L. segmentum, fr. secare to cut, cut off: cf. F. segment. See {Saw} a cutting instrument.] 1. One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion; as, a… …   The Collaborative International Dictionary of English

  • Segment of a sphere — Segment Seg ment, n. [L. segmentum, fr. secare to cut, cut off: cf. F. segment. See {Saw} a cutting instrument.] 1. One of the parts into which any body naturally separates or is divided; a part divided or cut off; a section; a portion; as, a… …   The Collaborative International Dictionary of English

  • segment — Division of an appendage [Perez Farfante and Kensley, 1997]. Individual component of crustacean limb connected by movable articulation with adjoining segments. (Syn. podomere (not equivalent to somite, though used by some authors in this sense).… …   Crustacea glossary

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