ungula
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Related to Ungular: ungual cartilage
ungula
[′əŋ·gyə·lə] (mathematics)
A solid bounded by a portion of a circular cylindrical surface and portions of two planes, one of which is perpendicular to the generators of the cylindrical surface.
(vertebrate zoology)
A nail, hoof, or claw.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.