tern

A set of three, especially a combination of three numbers that wins a lottery.

A three-masted schooner.

Any of various seabirds primarily of the genus Sterna found worldwide, typically smaller than a gull and having a forked tail.

A threemasted schooner; a three-master.

Same as ternate.

That which consists of three things or numbers together; specifically, a prize in a lottery gained by drawing three favorable numbers, or the three numbers so drawn.

In mathematics, a system of three pairs of conjugate trihedra which together contain the twenty-seven straight lines lying in a cubic surface.

A bird of the family Laridæ and subfamily Sterninæ; a stern or seaswallow.

A black tern; any member of the genus Hydrochelidon. See cut under Hydrochelidon.

Any one of numerous species of long-winged aquatic birds, allied to the gulls, and belonging to Sterna and various allied genera.