LATIN DICTIONARYLexicon Latīnum
noun · femininesecond declension

ornus

ornus f (genitive ornī)
Classical[ˈɔr.nʊs]Ecclesiastical[ˈɔr.nus]
Mille Verba core vocabulary

Meaning

  1. femininea mountain ash tree, rowan tree
  2. femininea lance made of the wood of an ash

Latīnē defined in Latin in our graded readers

arbor montium alta.
ōrnus -ī f — in Mille Verba, Arborēs et Plantae

Declension

declension
formsingularplural
nominativeornusornī
genitiveornīornōrum
dativeornōornīs
accusativeornumornōs
ablativeornōornīs
vocativeorneornī

ornus, i, f.,
I. the wild mountain-ash: steriles orni, Verg. G. 2, 111; Hor. C. 3, 27, 58; Plin. 16, 18, 30, § 73; Col. Arbor. 16; Juv. 1, 11.—
II. Transf., a lance made of the wood of this tree: vibrabilis ornus Achilli, Aus. Ep. 24, 108.

Origins

From Proto-Indo-European *Heh₃s-. Cognate with Old English æsc (“ash tree; spear (poetic)”). See also English ash. Compare typologically Russian дуби́на (dubína) (< дуб (dub)). Also compare Ancient Greek δόρυ (dóru, “wood, tree, stem; spear shaft, spear, lance, pole”) (< Proto-Indo-European *dóru). Also compare ferrum (“iron; iron tool; sword; …”).

Descendants
  • Frenchorne
  • Italianorno
  • Italianorniello
  • Romanianurm
  • Dalmatianuarno

Quick answers

What does ornus mean in Latin?
ornus, a noun, means “a mountain ash tree, rowan tree; a lance made of the wood of an ash”.
What is the genitive of ornus?
The genitive singular is ornī. ornus is feminine, second declension.
How do you pronounce ornus?
In classical Latin, [ˈɔr.nʊs]; in ecclesiastical (church) Latin, [ˈɔr.nus].