octopine adjective 1noun 1forms 3 adjective1 •Of, pertaining to, or resembling an octopus or octopuses; octopuslike....but the Captain preferred to swing himself onto one of the octopine branches with a whirl of large wild legs worthy of a chimpanzee. — 1914 noun1 •An analog of lactic acid, derived from the amino acids arginine and alanine, first isolated from the muscle tissue of octopus species. formsoctopines · more octopine · most octopine