punctum

1. The tip or end of a sharp process.
2. A minute round spot differing in color or otherwise in appearance from the surrounding tissues.
3. A point on the optic axis of an optic system.

Synonym(s): point 1

[L. a prick, point, pp. ntr. of pungo, to prick, used as noun]

See Also: point, tip, end, center

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