shamrock

shamrock
noun
  1. a low-growing clover-like plant with three-lobed leaves, used as the national emblem of Ireland
    白花酢浆草(爱尔兰国花),三叶草
  2. The shamrock of legend has been identified with a number of different plants in the family Leguminosae, in particular the lesser yellow trefoil (Trifolium minus)
    传说中的三叶草指好几种豆科植物,尤指钝叶车轴草
    ■a spray or leaf of this plant
    三叶草枝(或叶)
语源
  1. late 16th cent.: from Irish seamróg 'trefoil' (diminutive of seamar 'clover')
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