kazoo

• POS: Noun
• HYPHEN: ka=zoo

CIDE DICTIONARY

kazoo, n. [Etymol. uncertain.].

 A kind of toy or rude musical instrument, as a tube inside of which is a stretched string or membrane made to vibrate by singing or humming into the tube.  [Webster 1913 Suppl.]

OXFORD DICTIONARY

kazoo, n. a toy musical instrument into which the player sings or hums.

Etymology

19th c., app. with ref. to the sound produced