an evergreen South American plant, Jacquinia barbasco, which produces a poison harmless to humans but useful for stunning fish to make them easy to catch
2.
any of a variety of South American plants producing similar poisons
3.
the poison produced by barbasco plants
barbasco in American English
(bɑrˈbæskoʊ)
nounWord forms: pluralbarˈbascos or barˈbascoes
any of several Mexican plants (genus Dioscorea) of the yam family having a large, inedible root that yields extracts used in making synthetic steroidal hormones