Castor

1398 Old French castor, from Latin castor (“beaver”), from Ancient Greek Κάστωρ (Kástōr).

Castor m

1. A taxonomic genus within the family Castoridae – beavers.

• (genus): Eukaryota – superkingdom; Animalia – kingdom; Bilateria – subkingdom; Deuterostomia – infrakingdom; Chordata – phylum; Vertebrata – subphylum; Gnathostomata – infraphylum; Tetrapoda – superclass; Mammalia – class; Theria – subclass; Eutheria/Placentalia – infraclass; Rodentia – order; Castorimorpha – suborder; Castoridae – family

• (genus): Castor fiber (European beaver) - type species; Castor canadensis (American beaver) – sole other extant species

• Castor (genus) on Wikipedia.Wikipedia
• Castor on Wikispecies.Wikispecies
• Category:Castor on Wikimedia Commons.Wikimedia Commons

English Wikipedia has an article on:

Castor

Wikipedia

 Castor and Pollux on Wikipedia

 Castor (star) on Wikipedia

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Castor

1. (Greek mythology) One of the Dioscuri
2. (astronomy) A double star in the constellation Gemini; alpha (α) Geminorum.
3. A village and civil parish in city of Peterborough district, Cambridgeshire, England (OS grid ref TL1298). ^[1]
4. A town in the County of Paintearth, Alberta, Canada. From French castor (“beaver”).
5. A village in Bienville Parish, Louisiana, United States. From French castor (“beaver”).
6. A surname.

• Pollux

• Castro, Cators, Croats, acrost, actors, co-star, costar, scroat, scrota, tarocs

• IPA^(key): /kas.tɔʁ/

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Castor m

1. (Greek mythology) Castor
2. (astronomy) Castor
3. (Canada) Dane-zaa or Beaver indigenous people

From Ancient Greek Κᾰ́στωρ (Kắstōr).

• (Classical Latin) IPA^(key):
• (modern Italianate Ecclesiastical) IPA^(key):

Castor m sg (genitive Castoris); third declension

1. (Greek mythology) Castor
   • 6th or 5th century BCE, Castor-Pollux dedication (image (page 3; requires access to JSTOR); facsimile):

     𐌂𐌀𐌔𐌕𐌏𐌓𐌄𐌉:𐌐𐌏𐌃𐌋𐌏𐌖𐌒𐌖𐌄𐌉𐌒𐌖𐌄/𐌒𐌖𐌓𐌏𐌉𐌔

     CASTOREI:PODLOVQVEIQVE/QVROIS

     To Castor and Pollux, the Dioskouroi

Third-declension noun, singular only.

• Castorei is an old form of Castorī.
• The Old Latin form Kastorus shows the rare genitive singular ending -us instead of the standard Classical Latin ending -is. This unique ending is poorly attested and largely exclusive to religious or legal documents.