Sirius

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

• (General American) IPA^(key): /ˈsɪɹi.əs/
• Rhymes: -ɪəɹiəs
• Homophone: serious

Sirius

1. (astronomy) A binary star system in the constellation Canis Major long understood as a single extremely luminous white star, associated in ancient Egypt with the Nile flood and in Greek and Roman culture with the "dog days" of summer.

• the Dog Star (informal); Alpha Canis Majoris, α Canis Majoris, α CMa (Bayer designation); Canicula (Roman contexts); Sopdet, Sothis (Egyptian contexts); Al Shira (Arab contexts); Blazing Star (uncommon)

• stars
• Canis Major; Winter Triangle

• (white main sequence star): Sirius A
• (white dwarf): Sirius B

• Sothic; canicular; cynic
• dog days, dogdays, dog day

Sirius m

1. A male given name.

Patronymics

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

Sirius m (genitive Sirius)

1. (astronomy) Sirius

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

Sīrius m (genitive Sīriī); second declension

1. (astronomy) Sirius

• Canicula
• Sothis

• stellae; Canis Major, Canicula

• 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