View source for Truncus

==English==
[[File:Unit Truncus.png|right|thumb|300px|A mathematical graph of the basic truncus formula, marked in blue, with domain and range both restricted to [5, 5].]]

===Etymology===
{{root|en|ine-pro|*twerḱ-}}
From {{uder|en|la|truncus}}. {{doublet|en|tronk|trunk}}.

===Pronunciation===
* {{audio|en|LL-Q1860 (eng)-Flame, not lame-truncus.wav|a=US}}

===Noun===
{{en-noun|trunci}}

# {{lb|en|biology}} The [[thorax]] of an [[insect]].
# {{lb|en|medicine}} The trunk ([[torso]]) of the human body or other animal body.
# {{lb|en|medicine}} An [[arterial]] trunk, such as the [[truncus arteriosus]].
# {{lb|en|geometry}} A [[curve]] in the [[Cartesian plane]] consisting of all points (''x'',''y'') satisfying an [[equation]] of the form <math>f(x) = {a \over (x + b)^2} + c</math> where ''a'', ''b'', and ''c'' are given [[constant]]s. {{C|en|Curves}}

====Derived terms====
* {{l|en|conotruncus}}

====Related terms====
{{col|en|persistent truncus arteriosus}}

===Anagrams===
* {{anagrams|en|a=cnrstuu|uncurst}}

==Latin==

===Etymology===
{{unk|la}} origin,<ref>{{R:itc:EDL|pages=630-1|head=truncus}}</ref> but possibly from {{der|la|ine-pro|*twerḱ-||to cut}}. Cognate with {{cog|grc|σάρξ}}, {{cog|sga|tru}}, {{m|sga|troich||fated to die}} and {{cog|la|trux}}<ref>Partridge, Origins: A Short Etymological Dictionary of Modern English</ref><ref>Partridge, Origins: A Short Etymological Dictionary of Modern English</ref> and {{cog|sla-pro|*strǫkъ}}.

===Pronunciation===
* {{la-IPA}}

===Adjective===
{{la-adj|truncus}}

# [[lopped]], [[docked]]
# [[maim]]ed, [[mangle]]d, [[mutilate]]d

====Declension====
{{la-adecl|truncus}}

====Descendants====
* {{desc|it|tronco}}
* {{desc|es|trunco}}

===Noun===
{{la-noun|truncus<2>}}

# [[tree trunk]]
# a piece cut off
# {{lb|la|figuratively|derogatory}} [[blockhead]], [[dunce]], [[dolt]]
#: {{syn|la|Thesaurus:homo stultus}}
# {{lb|la|New Latin|biology}} the [[thorax]] of an [[insect]]
# {{lb|la|New Latin|medicine}} [[trunk]], [[torso]]
# {{lb|la|New Latin|medicine}} an [[arterial]] trunk, such as the [[truncus arteriosus]]

====Declension====
{{la-ndecl|truncus<2>}}

====Synonyms====
* {{sense|tree trunk}} {{l|la|capitō}} {{qual|Mediaeval}}

====Derived terms====
* {{l|la|*trunca}}
** {{desc|fr|tronche}}
* {{l|la|*trunceus}}
** {{desc|fro|trons}}
*** {{desc|fr|tronçon}}
* {{l|la|truncō}} {{qualifier|and [[trunco#Descendants|its descendants]]}}
* {{l|la|trunculus}} {{qualifier|and [[trunculus#Descendants|its descendants]]}}
** {{desc|ro|trunchi}}

====Descendants====
{{top2}}
* {{desc|ca|tronc}}
* {{desc|fur|tronc}}
* {{desc|gl|tronco}}
* {{desc|it|tronco}}
* {{desc|fro|tronc}}
** {{desc|fr|tronc}}
** {{desc|dum|tronc|bor=1}}
*** {{desc|nl|tronk}}
** {{desctree|enm|tronke|bor=1}}
* {{desctree|pt|tronco}}
* {{desc|scn|truncu}}
* {{desc|es|tronco}}
* {{desc|sq|trung|bor=1}}
* {{desc|en|truncus|bor=1}}
* {{desc|eo|trunko|bor=1}}
{{bottom}}

===References===
* {{R:L&S}}
* {{R:Elementary Lewis}}
* {{R:du Cange}}
* {{R:Gaffiot}}
<references/>