EnglishEdit

 
Shelf cloud, a type of arcus

EtymologyEdit

Borrowed from Latin arcus.

NounEdit

arcus (plural arci)

  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 termsEdit

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LatinEdit

 
Latin Wikipedia has an article on:
Wikipedia la

EtymologyEdit

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

PronunciationEdit

NounEdit

arcus m (genitive arcūs); fourth declension

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

DeclensionEdit

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 termsEdit

Related termsEdit

DescendantsEdit

  • Albanian: hark
  • Aromanian: arcu
  • Asturian: arcu
  • Catalan: arc
  • English: arc, arch
  • Esperanto: arko
  • French: arc
  • Friulian: arc
  • Italian: arco

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