[ av-inz ]
/ ˈæv ɪnz /

noun, plural av·ens.

any of various plants of the genus Geum, of the rose family, having yellow, white, or red flowers.

Origin of avens

1200–50; Middle English avence < Old French < Medieval Latin avencia kind of clover
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British Dictionary definitions for avens

/ (ˈævɪnz) /

noun plural -ens (functioning as singular)

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 flowersSee also herb bennet
mountain avens either of two trailing evergreen white-flowered rosaceous shrubs of the genus Dryas that grow on mountains in N temperate regions and in the Arctic

Word Origin for avens

C15: from Old French avence, from Medieval Latin avencia variety of clover
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012