Which Declension Is Truncus?

Declension. Second-declension noun.

Where does the word truncus come from?

from The Century Dictionary.

noun In zoology, the trunk; the axial part of an animal minus the head, limbs, and tail.

What is the word truncus mean?

[trung´kus] (L.) trunk. truncus arterio´sus an artery connected with the fetal heart, developing into the aortic and pulmonary arches. Called also innominate artery (see anatomic Table of Arteries in the Appendices). ...

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