Pronunciation: (tûrn),[key] —n. any of numerous aquatic birds of the subfamily Sterninae of the family Laridae, related to the gulls but usually having a more slender body and bill, smaller feet, a long, deeply forked tail, and a more graceful flight, esp. those of the genus Sterna, as S. hirundo(common tern), of Eurasia and America, having white, black, and gray plumage.
Pronunciation: (tûrn),[key] —n. 1. a set of three.
2. three winning numbers drawn together in a lottery.
3. a prize won by drawing these.