From Longman Dictionary of Contemporary Englishjemmyjem‧my /ˈdʒemi/ noun (plural jemmies) British English, jimmy (plural jimmies) American English [countable] TZa short strong metal bar used especially by thieves to break open locked doors, windows etc —jemmy verb [transitive]
Examples from the Corpus
jemmy• A jemmy is a housebreaker's weapon, not a murderer's.• A jemmy might suggest the murderer had gone to burgle the premises.• A jemmy would simply destroy the frame.Origin jemmy (1800-1900) From the man's name Jemmy, from James