- a person, animal, or thing that howls.
- any large, prehensile-tailed tropical American monkey of the genus Alouatta, the males of which make a howling noise: some species are endangered.
- a mistake, especially an embarrassing one in speech or writing, that evokes laughter; a very humorous mistake or a funny blunder.
- something that makes a piercing and often prolonged noise, as an alarm.
- any large New World monkey of the genus Alouatta, inhabiting tropical forests in South America and having a loud howling cry
- a glaring mistake
- (formerly) a device that produces a loud tone in a telephone receiver to attract attention when the receiver is incorrectly replaced
- a person or thing that howls
