shamrock: Meaning and Definition of

sham•rock

Pronunciation: (sham'rok), [key]
— n.
  1. any of several trifoliate plants, as the wood sorrel, Oxalis acetosella, or a small, pink-flowered clover, Trifolium repens minus, but esp. Trifolium procumbens, a small, yellow-flowered clover: the national emblem of Ireland.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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