The Collaborative International Dictionary of English v.0.48:
Baneberry \Bane"ber`ry\, n. (Bot.) A genus (Act[ae]a) of plants, of the order Ranunculace[ae], native in the north temperate zone. The red or white berries are poisonous. [1913 Webster]WordNet (r) 3.0 (2006):
baneberry n 1: a poisonous berry of a plant of the genus Actaea 2: a plant of the genus Actaea having acrid poisonous berries [syn: baneberry, cohosh, herb Christopher]