1. sidewinder - small pale-colored desert rattlesnake of southwestern United States; body moves in an s-shaped curve
Crotalus cerastes, horned rattlesnake
rattler, rattlesnake - pit viper with horny segments at the end of the tail that rattle when shaken
Crotalus, genus Crotalus - large rattlesnakes; seldom bite unless startled or pursuing prey
2. sidewinder - air-to-air missile with infrared homing device
missile - a rocket carrying a warhead of conventional or nuclear explosives; may be ballistic or directed by remote control