any of a number of tall poisonous plants of the parsley family, growing in swampy or wet habitats. another term for water hemlock 毒芹。 同 water hemlock
another term for water hemlock. a North American plant (Oxypolis rigidior, family Umbelliferae) 同 water hemlock. 一种北美植物硬尖叶灰毒芹(拉丁名Oxypolis rigidior,伞形科)
语源
late 18th cent.: from cow + bane, because it is poisonous to grazing cattle