Noun sea holly has 2 senses
  1. sea holly, sea holm, sea eryngium, Eryngium maritimum - European evergreen eryngo with twisted spiny leaves naturalized on United States east coast; roots formerly used as an aphrodisiac
    --1 is a kind of shrub, bush
    --1 is a member of Eryngium, genus Eryngium
  2. bear's breech, bear's breeches, sea holly, Acanthus mollis - widely cultivated southern European acanthus with whitish purple-veined flowers
    --2 is a kind of acanthus
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