a. and sb. Zool. [ad. mod.L. Triclada, neut. pl., f. TRI- + Gr. κλάδος branch.] a. adj. Belonging to the division Triclada or Tricladida of turbellarian worms, having a main intestine with three branches. b. sb. A worm of this division. (Cf. POLYCLAD.)
1888. Rolleston & Jackson, Anim. Life, 579. Bundles of dorso-ventral muscle-fibres, &c. in Nemertea and Triclad Turbellaria. Ibid., 672. Transverse fission has been observed in the Triclads Planaria subtentaculata … and Polycœlis cornuta.
1909. J. W. Jenkinson, Experim. Embryol., 273. The reunion of separated blastomeres in Triclads.
