Main Entry: har·mon·i·ca

Pronunciation: \här-ˈmä-ni-kə\

Function: noun

Etymology: Italian armonica, feminine of armonico harmonious

Date: 1762

1 : glass harmonica
2 : a small rectangular wind instrument with free reeds recessed in air slots from which tones are sounded by exhaling and inhaling

— har·mon·i·cist \-nə-sist\ noun