• Webster's Revised Unabridged Dictionary
    • n Truncus (Zoöl) The thorax of an insect. See Trunk n., 5.
    • ***
Century Dictionary and Cyclopedia
    • n truncus In botany, the stem or trunk of a tree.
    • n truncus In zoology, the trunk; the axial part of an animal minus the head, limbs, and tail. See soma.
    • n truncus The main stem or trunk of a nerve or vessel of the body.
    • n truncus In entomology, the thorax.
    • ***


Webster's Revised Unabridged Dictionary


In literature:

Caput et truncus supra tesserulis minutis, infra squamis minimis, tecti.
"Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]" by Phillip Parker King
Jacet ingens littore truncus, Avolsumque humeris caput, et sine nomine corpus.
"The Works of the Right Honourable Edmund Burke, Vol. III. (of 12)" by Edmund Burke
In the rabbit both sinus and truncus are absent, or merged in the adjacent parts of the heart.
"Text Book of Biology, Part 1: Vertebrata" by H. G. Wells
Truncus: the trunk or thorax.
"Explanation of Terms Used in Entomology" by John. B. Smith