arcus

Definition from Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

Shelf cloud, a type of arcus

Etymology[edit]

Borrowed from Latin arcus. Doublet of arc and arco. Distantly related to arrow.

Noun[edit]

arcus (plural arcūs)

  1. (medicine) A white band of cholesterol that forms at the edge of the cornea
  2. (meteorology) A low, horizontal cloud typically forming at the leading edge of thunderstorm outflow
  3. (entomology) An elastic band around the base of the arolium, a pad at the end of the leg of certain insects
  4. (palynology) An arc-shaped band of thickened sexine extending between two apertures on a pollen grain or spore

Related terms[edit]

Translations[edit]

Anagrams[edit]


Latin[edit]

Latin Wikipedia has an article on:
Wikipedia la

Etymology[edit]

From Proto-Indo-European *h₂erkʷo- (bow, arrow). Cognate to Old English earh, whence English arrow.

Pronunciation[edit]

Noun[edit]

arcus m (genitive arcūs); fourth declension

  1. arc, arch
  2. bow (arc-shaped weapon used for archery)
  3. rainbow

Declension[edit]

Fourth-declension noun (dative/ablative plural in -ubus).

Case Singular Plural
Nominative arcus arcūs
Genitive arcūs arcuum
Dative arcuī arcubus
Accusative arcum arcūs
Ablative arcū arcubus
Vocative arcus arcūs

Derived terms[edit]

Related terms[edit]

Descendants[edit]

  • Albanian: hark
  • Aromanian: arcu
  • Asturian: arcu
  • Catalan: arc
  • English: arch
  • Esperanto: arko
  • Old French: arc
  • Friulian: arc
  • Italian: arco
  • Middle Low German: ark
    • Low German: ark
      • Norwegian Bokmål: ark

See also[edit]

References[edit]

  • arcus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • arcus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • arcus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
  • arcus in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
  • arcus in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
  • arcus in Ramminger, Johann (accessed 16 July 2016) Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700[1], pre-publication website, 2005-2016
  • arcus in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin