
1) Bazoom 2) Conk 3) Horn 4) Nose 5) Owl 6) Owlet 7) Schnoz 8) Schnozzle 9) Scream 10) Siren 11) Snoot
Found on
https://www.crosswordclues.com/clue/hooter

1) Beak 2) British slang for the nose 3) Car horn 4) Car horn, to a brit 5) Displeased audience member 6) Honker 7) Is both nosy and noisy 8) Nocturnal tree dweller 9) Noisy owl 10) Nose 11) Nose set off siren 12) Nozzle 13) Olfactory organ 14) Owl, at times 15) Owl, by nature 16) Owl, vocally 17) Raucous fan
Found on
https://www.crosswordclues.com/clue/hooter

- (US) informal terms for the nose
- a device on an automobile for making a warning noise
- nocturnal bird of prey with hawk-like beak and claws and large head with front-facing eyes
Found on

Hooter is British slang for the nose.
Found on
http://www.probertencyclopaedia.com/browse/ZH.HTM

a person or thing that hoots. · a car horn. · the nose.
Found on
https://www.infoplease.com/dictionary/hooter
No exact match found.