In geometry, any part of a circle which is bounded by an arc and its chord, or so much of the circle as is cut off by that chord.
·noun A segment gear. II. Segment ·noun One of the cells or division formed by segmentation, as in ...
Webster's Dictionary of the English Language
For use with rifled guns; an elongated iron shell having very thin sides, and built up internally wi...
The Sailor's Word-Book