From Longman Dictionary of Contemporary EnglishYiddishYid‧dish /ˈjɪdɪʃ/ noun [uncountable] SANa language based on German used by older Jewish people, especially those who are from Eastern Europe → Hebrew
Examples from the Corpus
Yiddish• She also appeared in her own one-woman show in Yiddish, Hello, Molly!Origin Yiddish (1800-1900) Yiddish yidish (daytsh) “Jewish (German)” 