arcus
EnglishEdit
EtymologyEdit
Borrowed from Latin arcus. Doublet of arc and arco. Distantly related to arrow.
NounEdit
arcus (plural arcūs)
- (medicine) A white band of cholesterol that forms at the edge of the cornea
- (meteorology) A low, horizontal cloud typically forming at the leading edge of thunderstorm outflow
- (entomology) An elastic band around the base of the arolium, a pad at the end of the leg of certain insects
- (palynology) An arc-shaped band of thickened sexine extending between two apertures on a pollen grain or spore
Related termsEdit
TranslationsEdit
AnagramsEdit
LatinEdit
EtymologyEdit
From Proto-Indo-European *h₂erkʷo- (“bow, arrow”). Cognate to Old English earh, whence English arrow.
PronunciationEdit
NounEdit
arcus m (genitive arcūs); fourth declension
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
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See alsoEdit
ReferencesEdit
- 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