shamrock

Noun

• clover native to Ireland with yellowish flowers; often considered the true or original shamrock

• Eurasian plant with heart-shaped trifoliate leaves and white purple-veined flowers

• creeping European clover having white to pink flowers and bright green leaves; naturalized in United States; widely grown for forage

Related words

• Synonyms: 
  hop clover , lesser yellow trefoil , Trifolium dubium , common wood sorrel , cuckoo bread , Oxalis acetosella , white clover , dutch clover , Trifolium repens