Added 10 October 2026 hooter /ˈhuː.tə(ɹ)/ noun Categories: The BodyThingsObscure Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about hooter at Wordnik → Where our words come from → A person who hoots. The horn in a motor vehicle. A siren or steam whistle, especially one in a factory and used to indicate the beginning or the end of a working day or shift. Related Words: honkerschnozzlesnootsnoutnozzlebeakscreamowlhooerhooferhooliehoochie Back to today's word