Noun has 2 senses

• sea holly(n = noun.plant) eryngium maritimum, sea eryngium, sea holm - European evergreen eryngo with twisted spiny leaves naturalized on United States east coast; roots formerly used as an aphrodisiac;



• sea holly(n = noun.plant) acanthus mollis, bear's breech, bear's breeches - widely cultivated southern European acanthus with whitish purple-veined flowers;