Noun | 1.genus Oenanthe - poisonous herbs: water dropworts Oenantherosid dicot genus - a genus of dicotyledonous plantsApiaceae, carrot family, family Apiaceae, family Umbelliferae, Umbelliferae - plants having flowers in umbels: parsley; carrot; anise; caraway; celery; dillhemlock water dropwort, Oenanthe crocata, water dropwort - European poisonous herb having tuberous roots, yellow juice that stains the skin, yellow flowers and foliage resembling celery; all parts extremely poisonousOenanthe aquatica, water fennel - European poisonous herb with fibrous roots | | 2.genus Oenanthe - wheatearsOenanthebird genus - a genus of birdsfamily Turdidae, Turdidae - thrushes; in some classifications considered a subfamily (Turdinae) of the family Muscicapidaewheatear - small songbird of northern America and Eurasia having a distinctive white rump |