Sidewinder

n.	1.	(Zool.) See Horned rattler, under Horned.
	2.	A heavy swinging blow from the side, which disables an adversary. I saw them mask their awful glance Sidewise meek in gossamer lids. - Emerson.

Noun	1.	sidewinder - small pale-colored desert rattlesnake of southwestern United States; body moves in an s-shaped curve Synonyms: Crotalus cerastes, horned rattlesnake
	2.	sidewinder - air-to-air missile with infrared homing device

missile