—n.
1 a a person or thing used to lure an animal or person into a trap or danger. b a bait or enticement.
2 a pond with narrow netted arms into which wild duck may be tempted in order to catch them.
—v.tr. (often foll. by into, out of) allure or entice, esp. by means of a decoy.
Etymology: 17th c.: perh. f. Du. de kooi the decoy f. de THE + kooi f. L cavea cage
Useful english dictionary. 2012.