A kazoo is a small musical instrument that consists of a pipe with a hole in the top. You play the kazoo by blowing into it while making sounds.
kazoo in British English
(kəˈzuː)
nounWord forms: plural-zoos
a cigar-shaped musical instrument of metal or plastic with a membranous diaphragm of thin paper that vibrates with a nasal sound when the player hums into it
Word origin
C20: probably imitative of the sound produced
kazoo in American English
(kəˈzu)
US
nounWord forms: pluralkaˈzoos
a toy musical instrument consisting of a small, open tube with a top hole covered by a membrane, as of paper, that vibrates to give a buzzing quality to tones hummed through the tube