Noun

• S: (n) white clover, dutch clover, shamrock, Trifolium repens (creeping European clover having white to pink flowers and bright green leaves; naturalized in United States; widely grown for forage)
• S: (n) common wood sorrel, cuckoo bread, shamrock, Oxalis acetosella (Eurasian plant with heart-shaped trifoliate leaves and white purple-veined flowers)
• S: (n) hop clover, shamrock, lesser yellow trefoil, Trifolium dubium (clover native to Ireland with yellowish flowers; often considered the true or original shamrock)