fris·son 
(frē-sōɴ)
(frē-sōɴ)n. pl. fris·sons (-sōɴz, -sōɴ)
A moment of intense excitement; a shudder: The story's ending arouses a frisson of terror.
[French, from Old French fricons, pl. of fricon, a trembling, from Vulgar Latin *frīctiō, *frīctiōn-, from Latin frīgēre, to be cold.]