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arcus

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English

Shelf cloud, a type of arcus

Etymology

From [[w:Template:lang:la language|Template:lang:la]][[Category:Template:lang:la derivations]] arcus

Noun

Singular
arcus

Plural
arcus

arcus (arcus)
  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, Template loop detected: Template:context 1) An arc-shaped band of thickened sexine extending between two apertures on a pollen grain or spore

Related terms


Latin

Etymology

<PIE *arkw-, "bow, arrow". The English word arrow is a cognate.

Pronunciation

  • ar' cus

Noun

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arcus (genitive arcūs); m, fourth declension

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

Inflection

Fourth declension (4).

Number Singular Plural
nominative arcus arcūs
genitive arcūs arcuum
dative arcuī arcibus
accusative arcum arcūs
ablative arcū arcibus
vocative arcus arcūs

Descendants

Derived terms

See also

Elsewhere on the web

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