Wiktionary
dicamba
n. The herbicide ''3,6-Dichloro-2-methoxybenzoic acid'' used to control weeds in cereal crops
Wikipedia
Dicamba
Dicamba (3,6-dichloro-2-methoxybenzoic acid) is a herbicide. Brand names for formulations of this herbicide include Banvel, Diablo, Oracle and Vanquish. This chemical compound is an organochloride and a derivative of benzoic acid.