four-hitter
- n a game in which a pitcher allows the opposing team 4 hits
four-in-hand
- n a long necktie that is tied in a slipknot with one end hanging in front of the other
- n a carriage pulled by four horses with one driver
four-letter anglo-saxon word
- n any of several short English words (often having 4 letters) generally regarded as obscene or offensive
four-letter word
- n any of several short English words (often having 4 letters) generally regarded as obscene or offensive