Added 9 October 2026 caper /ˈkeɪpɚ/ noun Categories: PlantsFood & DrinkRare Words In Latin: capparis Wiktionary noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about caper at Wordnik → Where our words come from → Any of numerous plants of the genus Capparis. Pickled flower buds used as a pungent relish in various dishes and sauces. A crime (especially a robbery). the gang pulled off a bank job in St. Louis verb Jump about playfully. Origin Clipping of capriole. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: gambolfrolicrompplayanticjokepranktrickjobcavortdidofrisk Back to today's word