Home › Words › S › swinecressswinecressswinecress · noun — any plant of the genus Lepidium (syn. Coronopus).Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, swinecress ranks #6,615 of 43,279 for Qualifying.EtymologySwine + cressnounAny plant of the genus Lepidium (syn. Coronopus).Definitions & examples from Wiktionary (CC BY-SA 3.0).