jennycommon nounSyllable DecompositionjennyEtymologyexpandfrom 'jenny' meaning 'Jeannette' or 'spinner', a proper name designating the profession.Definition1. A machine for spinning cotton in large or soft quantities, with a large number of spindles, invented by Hargreaves.expandSynonymsjeannettemule-jennyPluraljennysTranslationsgerman:Spinnmaschineenglish:spinning jenny