Arcturus
English
Etymology
Pronunciation
- IPA(key): /ɑɹkˈtjʊəɹəs/
Proper noun
Arcturus
- (astronomy) A bright yellow-orange star in the constellation Boötes; Alpha (α) Boötis. It is the fourth-brightest star in the night sky.
Translations
Alpha Boötis
Derived terms
Latin
Etymology
From Ancient Greek Ἀρκτοῦρος (Arktoûros), from ἄρκτος (árktos, “bear”) + οὖρος (oûros, “guard”).
Proper noun
Arctūrus m (genitive Arctūrī); second declension
- The star Arcturus
- The constellation Boötes
- A personification of the star in the comedic play Rudens by Plautus.
Inflection
Second declension.
| Case | Singular | Plural |
|---|---|---|
| nominative | Arctūrus | Arctūrī |
| genitive | Arctūrī | Arctūrōrum |
| dative | Arctūrō | Arctūrīs |
| accusative | Arctūrum | Arctūrōs |
| ablative | Arctūrō | Arctūrīs |
| vocative | Arctūre | Arctūrī |
See also
Portuguese
Proper noun
Arcturus m
- Alternative form of Arturo
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