/ Thesaurus / S Synonyms of sea holly Find synonyms for: Noun1. sea holly, sea holm, sea eryngium, Eryngium maritimum, shrub, bushusage: European evergreen eryngo with twisted spiny leaves naturalized on United States east coast; roots formerly used as an aphrodisiac2. bear's breech, bear's breeches, sea holly, Acanthus mollis, acanthususage: widely cultivated southern European acanthus with whitish purple-veined flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language