water shamrock is a noun meaning "perennial plant of Europe and America having racemes of white or purplish flowers and intensely bitter trifoliate leaves; often rooting at water margin and spreading across the surface". It carries one recorded sense.
perennial plant of Europe and America having racemes of white or purplish flowers and intensely bitter trifoliate leaves; often rooting at water margin and spreading across the surface
Definitions, synonyms and semantic relations for water shamrock come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.