# truncus

## EnglishEdit

### EtymologyEdit

### NounEdit

**truncus** (*plural* **trunci**)

- (biology) The thorax of an insect.
- (geometry) A curve in the Cartesian plane consisting of all points (
*x*,*y*) satisfying an equation of the form where*a*,*b*, and*c*are given constants.

## LatinEdit

### EtymologyEdit

Unknown origin, but possibly related to *trux*^{[1]} or *torqueō*.

### NounEdit

**truncus** m (*genitive* **truncī**); *second declension*

- tree trunk
- trunk the human body
- a piece cut off

#### InflectionEdit

Case | Singular | Plural |
---|---|---|

nominative | truncus | truncī |

genitive | truncī | truncōrum |

dative | truncō | truncīs |

accusative | truncum | truncōs |

ablative | truncō | truncīs |

vocative | trunce | truncī |

#### Derived termsEdit

#### DescendantsEdit

### ReferencesEdit

- ^ Partridge, Origins: A Short Etymological Dictionary of Modern English

- “truncus” in Charlton T. Lewis & Charles Short,
*A Latin Dictionary*, Oxford: Clarendon Press, 1879.