Biol. [Short for *traumatotropism, f. Gr. τραῦμα wound, after geotropism, heliotropism, etc.] A peculiar growth or curvature of an organism (esp. a plant) resulting from a wound. So Traumatropic a., of, pertaining to, or of the nature of traumatropism.
1898. R. Beer, in Nat. Science, June, 390. The latent period … can be greatly extended both in geotropism … and in traumatropism. Ibid. It [a seedling of Lupinus albus] at once executed a traumatropic curvature.
