hop clover

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. prostrate European herb with small yellow flowers and curved black pods;
naturalized in North America
• Syn:
black medick, yellow trefoil, nonesuch clover, Medicago lupulina
• Hypernyms:
medic, medick, trefoil
2. clover native to Ireland with yellowish flowers;
often considered the true or original shamrock
• Syn:
shamrock, lesser yellow trefoil, Trifolium dubium
• Hypernyms:
clover, trefoil