nounWord forms: plural-ens(functioning as singular)
1.
any of several temperate or arctic rosaceous plants of the genus Geum, such as G. rivale (water avens), which has a purple calyx and orange-pink flowers
See also herb bennet
2. mountain avens
Word origin
C15: from Old French avence, from Medieval Latin avencia variety of clover
avens in American English
(ˈævənz)
noun
any of a genus (Geum) of herbaceous plants of the rose family, with compound leaves and variously colored, usually yellow, flowers