Novelty Soundmaker Used in Clown Gags
Puzzle 14 of Jokes and Gags Medium Pack
Question is: Novelty Soundmaker Used in Clown Gags
and the answer is: CARHORN
Word Meaning:
CAR — A wheeled vehicle that moves independently, with at least three wheels, powered mechanically, steered by a driver and mostly for personal transportation but relatively smaller than a truck/lorry and a bus.
Definitions from Wiktionary.