Definition of coreopsis
coreopsis
: any of a genus (Coreopsis) of widely cultivated composite herbs with showy often yellow flower heads and pinnately lobed or dissected leaves
From the M-W Editors
Origin and Etymology of coreopsis
New Latin, genus name, from Greek koris bedbug + New Latin -opsis; akin to Greek keirein to cut — more at shear
First Known Use: circa 1753
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