castor

¹

[ kas-ter, kah-ster ]

noun

1. Also a brownish, unctuous substance with a strong, penetrating odor, secreted by certain glands in the groin of the beaver, used in medicine and perfumery.
2. a hat made of beaver or rabbit fur.
3. a heavy woolen cloth used mainly for coats.
4. a beaver.

Castor

²

[ kas-ter, kah-ster ]

noun

, Astronomy.

1. a star of the second magnitude in the constellation Gemini, the more northerly of the two bright stars in this constellation.

castor

¹

/ ˈkɑːstə /

noun

1. a variant spelling of caster caster

castor

²

/ ˈkɑːstə /

noun

1. the brownish aromatic secretion of the anal glands of a beaver, used in perfumery and medicine
2. the fur of the beaver
3. a hat made of beaver or similar fur
4. a less common name for beaver 1

Castor

³

/ ˈkɑːstə /

noun

1. the second brightest star, Alpha Geminorum, in the constellation Gemini: a multiple star consisting of six components lying close to the star Pollux. Distance: 52 light years
2. classical myth See Castor and Pollux

Castor

/ kăs′tər /

1. A bright multiple star in the constellation Gemini, with a combined apparent magnitude of 0.08. Scientific name: Alpha Geminorum.

Word History and Origins

Origin of castor¹

1350–1400; Middle English < Latin < Greek kástōr beaver

Origin of castor²

Named after Castor; Castor and Pollux

Word History and Origins

Origin of castor¹

C14: from Latin, from Greek kastōr beaver

Example Sentences

Bruce Castor, who represented Trump during his second impeachment trial, said even he could not defend Musk’s latest intervention in the presidential race.

From Salon

Tampa Mayor Jane Castor has voiced relief that her city has not seen the type of storm surge that was feared.

From BBC

"I can say without any dramatization whatsoever: If you choose to stay in one of those evacuation areas, you are going to die," Castor's warning emphasized.

From Salon

In a dire message that echoed throughout the state, Tampa Mayor Jane Castor said Milton would be “literally catastrophic” to the coastal city.

From BBC

"I’ve said many times that if you want to pick a fight with Mother Nature, she’s winning 100 percent of the time," Tampa Mayor Jane Castor said in a press conference Tuesday.

From Salon