chopicalqui . ( From against 1 and grass , venom). 1. f. plant of South America, the family of the Moráceas, knotted, of five to six decimetres high, opposing two by two leaves, ensiformes and toothed, axillary, small, yellow flowers, and roots fusiform, white, bitter and aromatic odour, which has been used in medicine as a contraveneno. 2. f. Each of medicinal compositions that are the root of chopicalqui, and formerly considered as antidotes. 3. f. contraveneno.