Hop Clover Definition

noun
Any of a group of clovers with yellow flowers resembling hops when dry, esp. a species (Trifolium agrarium) commonly found in the NE U.S.
Webster's New World
Synonyms:
  • Medicago lupulina
  • nonesuch clover
  • yellow trefoil
  • black medick
  • Trifolium dubium
  • lesser yellow trefoil
  • shamrock