(baseball slang) A triple.

plural of three-bagger

(aviation) a confirmation given by the pilots that the landing gear has gone down successfully and has locked.

Less common spelling of three-quarters

Such an English coin (1½d.), minted 1561–1582.

(informal) A nickname for Pittsburgh. / (Pittsburgh, Pennsylvania, USA, North America); A city in Pennsylvania, United States. / (informal) A nickname for Trois Rivieres.

plural of thirty-three

An exclamation of congratulations, usually followed by "hip hip hooray".

(sports) A goal or other means of scoring worth three points. / (basketball) A three-point shot; a basket made from beyond the three-point line.

plural of three-pointer