shamrock

A plant having compound leaves with three small leaflets, especially a clover or wood sorrel.

The compound leaf of one of these plants.

A representation of one of these plants or leaves, used as a national emblem of Ireland.

A plant with trifoliate leaves: the national emblem of Ireland.

A trifoliate plant used as a national emblem by the Irish. The legend is that St. Patrick once plucked a leaf of it for use in illustrating the doctrine of the trinity.

The trefoil leaf of any small clover, especially Trifolium repens, or such a leaf from a clover-like plant.

Any of several small plants, forms of clover, with trefoil leaves, especially Trifolium repens.

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

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