A traditionally itinerant Jewish folk musician of eastern Europe performing in a small band, as at weddings.
The Jewish folk music played by small, traditionally itinerant bands.
Designating or of a kind of E European Jewish folk music, typically performed by a small band consisting of a violin, clarinet, mandolin, accordion, etc. and accompanying Yiddish vocals.
(countable) A Jewish folk musician.
Origin of klezmer
From American Heritage Dictionary of the English Language, 5th Edition