combining form of L. thōrāx, -ācem, in same sense as THORACO-, Thoraciform a., having the form of a thorax, thorax-shaped. Thoracipod [Gr. ποδ. foot] a., of or pertaining to the Thoracipoda, a division of crustaceans having ambulatory thoracic limbs; sb. a crustacean of this division; so Thoracipodous a. (Cent. Dict., 1891). Thoracispinal a., pertaining to the thoracic portion of the spinal column.
1826. Kirby & Sp., Entomol., IV. xlvi. 331. Orismology…. Mesothorax…. β. Dorsolum. *Thoraciform,… when it forms the principal part of the upper surface of the trunk.
1887. Coues in Cent. Dict., *Thoracispinal.
1899. Syd. Soc. Lex., Thoracispinal.
