Definitions for: Overheat

[v] get excessively and undesirably hot; "The car engines overheated"
[v] make excessively or undesirably hot; "The room was overheated"

Webster (1913) Definition: O`ver*heat", v. t. [Cf. Superheat.]
To heat to excess; to superheat. --Cowper.

See Also: heat, heat up, hot up, overheat