Sirius

See also: Síríus

English

Etymology

From Latin Sīrius, from Ancient Greek Σείριος (Seírios), usually taken from σείριος (seírios, “scorching; scorcher”).

Pronunciation

Proper noun

Sirius

  1. (astronomy) A binary star system in the constellation Canis Major
  2. (astronomy) A white main sequence star, the primary star of the star system, the only star of the pair that is visible to the naked eye. Long understood as a single extremely luminous white star, it was associated in ancient Egypt with the Nile flood and in Greek and Roman culture with the "dog days" of summer.

Synonyms
Primary star of the binary star
  • Al Shira (Arab contexts)
  • Alpha Canis Majoris A
  • Blazing Star (uncommon)
  • Canicula (Roman contexts)
  • Sopdet
  • Sothis (Egyptian contexts)
  • the Dog Star (informal)
  • α Canis Majoris A
  • α CMa A
Binary star system

Hypernyms
Binary star system
Primary star of the binary star system

Hyponyms

(Binary star system):

white main sequence star
  • Alpha Canis Majoris A
  • Sirius A
  • the Dog Star (informal)
  • α Canis Majoris A
  • α CMa A
white dwarf star
  • Alpha Canis Majoris B
  • Sirius B
  • the Pup (informal)
  • α Canis Majoris B
  • α CMa B

Translations
Translations

See also

Faroese

Proper noun

Sirius m

  1. a male given name

Usage notes

Patronymics

  • son of Sirius: Siriusarson or Siriusson
  • daughter of Sirius: Siriusardóttir or Siriusdóttir

Declension
Singular
Indefinite
Nominative Sirius
Accusative Sirius
Dative Siriusi
Genitive Siriusar

German

Pronunciation
  • Audio(file)

Proper noun

Sirius m (proper noun, strong, genitive Sirius)

  1. (astronomy) Sirius

Latin

Etymology

From Ancient Greek Σείριος (Seírios, “Seirios”), from σείριος (seírios, “scorching, destructive”).

Proper noun

Sīrius m sg (genitive Sīriī or Sīrī); second declension

  1. (astronomy) Sirius

Declension

Second-declension noun, singular only.

Case Singular
Nominative Sīrius
Genitive Sīriī
Sīrī1
Dative Sīriō
Accusative Sīrium
Ablative Sīriō
Vocative Sīrī

1Found in older Latin (until the Augustan Age).

Synonyms

Hypernyms

References
  • “Sirius”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • “Sirius”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • Sirius in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette
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