: a European biennial plant (Lunaria annua) of the mustard family that is often grown for its ornamental disk-shaped seedpods called also honesty, silver dollar plant 2 : pothos 3 : an aquatic perennial plant (Hydrocotyle vulgaris) of the carrot family that is native to northern Africa ...
Define cruciferous plant. cruciferous plant synonyms, cruciferous plant pronunciation, cruciferous plant translation, English dictionary definition of cruciferous plant. Noun 1. cruciferous plant - any of various plants of the family Cruciferae crucifer