Sŭn'-strōke, n.

n. 1. A stroke of the sun or its heat. 2. (Med.) Any affection produced by the action of the sun on some region of the body; especially, a sudden prostration of the physical powers, with symptoms resembling those of apoplexy, occasioned by exposure to excessive heat, and often terminating fatally; coup de soleil; siriasis. Dunglison.