truncus

From Latin truncus. Doublet of tronk and trunk.

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truncus (plural trunci)

1. (biology) The thorax of an insect.
2. (medicine) The trunk (torso) of the human body or other animal body.
3. (medicine) An arterial trunk, such as the truncus arteriosus.
4. (geometry) A curve in the Cartesian plane consisting of all points (x,y) satisfying an equation of the form ${\displaystyle f(x)={a \over (x+b)^{2}}+c}$ where a, b, and c are given constants.

• conotruncus

• uncurst

Unknown origin, but possibly from Proto-Indo-European *twerḱ- (“to cut”). Cognate with Ancient Greek σάρξ (sárx), Old Irish tru, troich (“fated to die”) and Latin trux and Proto-Slavic *strǫkъ.

• (Classical Latin) IPA^(key):
• (modern Italianate Ecclesiastical) IPA^(key):

truncus (feminine trunca, neuter truncum); first/second-declension adjective

1. lopped, docked
2. maimed, mangled, mutilated

First/second-declension adjective.

• Italian: tronco
• Spanish: trunco

truncus m (genitive truncī); second declension

1. tree trunk
2. a piece cut off
3. (figuratively, derogatory) blockhead, dunce, dolt

   Synonyms: see Thesaurus:homo stultus

4. (New Latin, biology) the thorax of an insect
5. (New Latin, medicine) trunk, torso
6. (New Latin, medicine) an arterial trunk, such as the truncus arteriosus

Second-declension noun.

• (tree trunk): capitō (Mediaeval)

• *trunca
  • French: tronche
• *trunceus
  • Old French: trons
    • French: tronçon
• truncō (and its descendants)
• trunculus (and its descendants)
  • Romanian: trunchi

• “truncus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “truncus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• "truncus", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• truncus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.