Definitions for: Protuberate

[v] form a rounded prominence; "The starved child's belly protuberated"
[v] cause to bulge out or project

Webster (1913) Definition: Pro*tu"ber*ate, v. i. [L. protuberare; pro forward
+ tuber a hump, protuberance. See Tuber.]
To swell, or be prominent, beyond the adjacent surface; to
bulge out. --S. Sharp.

See Also: bag, bulge