Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An oily, brown, odorous substance obtained from glands in the groin of the beaver and used as a perfume fixative.
  • n. A hat made of beaver fur or an imitation.
  • n. A heavy wool fabric used especially for overcoats.
  • n. Variant of caster.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A pivoting roller attached to the bottom of furniture to allow it to be moved.
  • n. A hat made from the fur of the beaver.
  • n. A caster; a container with perforated cap for sprinkling (e.g. pepper-castor).
  • n. A variety of petalite found in Elba.

from the GNU version of the Collaborative International Dictionary of English

  • n. A genus of rodents, including the beaver. See beaver.
  • n. Castoreum. See Castoreum.
  • n. A hat, esp. one made of beaver fur; a beaver.
  • n. A heavy quality of broadcloth for overcoats.
  • n. See caster, a small wheel.
  • n. the northernmost of the two bright stars in the constellation Gemini, the other being Pollux.
  • n. A variety of the mineral called petalite, from Elba.

from The Century Dictionary and Cyclopedia

  • n. A beaver.
  • n. Among French Canadians, one of the party which called itself the national party, the beaver being the national emblem of Canada.
  • n. A genus of sciuromorphic rodent mammals, typical of the family Castoridæ.
  • n. A beaver hat; by extension, a silk hat.
  • n. A heavy quality of broadcloth used for overcoats.
  • Made of beaver-skin or -fur, or of the cloth called beaver.
  • n. A reddish-brown substance consisting of the preputial follicles of the beaver and their contents, dried and prepared for commercial purposes. It has a strong, penetrating, enduring odor, and was formerly of high repute in medicine, but is now used chiefly by perfumers.
  • n. A mineral found in the island of Elba associated with another called pollux.
  • n. See caster, 3.
  • n. Glove-leather made from goat-skins. The grain of the skin is removed and it is given a very soft finish, usually gray in color.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a multiple star with 6 components; second brightest in Gemini; close to Pollux
  • n. a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
  • n. type genus of the Castoridae: beavers
  • n. a hat made with the fur of a beaver (or similar material)
  • n. a shaker with a perforated top for sprinkling powdered sugar

Etymologies

Middle English, from Latin, beaver, from Greek kastōr.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin castor ("beaver"). (Wiktionary)
Named from Greek mythology; see Castor and Pollux. The name pollux was given to another mineral with which it was always found. (Wiktionary)

Examples

  • So she stepped around briskly, and spread her snow-white table-cloth, and put on her cups and saucers, and plates, and the castor -- (yes, the _castor_ on the _tea_ table! for they didn't care a pin for fashion); and when she had cooked her supper, she looked at the clock.

    Little Ferns For Fanny's Little Friends

  • "Why, it's only what we call the castor-bean, only this is larger," I venture to say.

    Under the Southern Cross

  • Dry disposal or storage involves placing the spent nuclear fuel rods in so-called castor casks, specially-designed steel and concrete cylinders.

    ANC Daily News Briefing

  • I slightly differed from the recipe by using superfine sugar, also known as castor sugar, instead of granulated because I fine it produces smoother meringues.

    2005 June | Baking Bites

  • To the former class of animals belong the so-called castor, the satyrium, the otter, and the so-called latax, or beaver.

    The History of Animals

  • Exodus, 15: 9) The name castor comes from castrando, 'castrate'.

    Blog Meridian

  • Rushing back to my medicine chest, I brought along and administered a maximum dose of the oil called castor, and later dosed her with quinine.

    Across China on Foot

  • In an analysis I had made of brown castor oil-cake, i.e., cake made after crushing the entire seeds, there was over 4 per cent. of phosphate of lime, or about equal to 5 per cent. had the cake been white castor, which is made after the seeds have been decorticated.

    Gold, Sport, and Coffee Planting in Mysore

  • [35.8] A castor is a "hat, orig. either of beaver's fur, or intended to be taken as such; in the end of the 17th and beginning of 18th c. distinguished from ` beaver ', and said to be of rabbit's fur; at that time also usually spelt caster."

    Inventory of Robert Carter's Estate, November [1733]

  • Peter Rigby reported that for Gogo, "each married woman, that is, the owner of each nyumba [house] has her own migunda for the production of the basic crop of sorghum and millet, and her small garden patches (vigunda) for vegetable crops and small cash-crops such as castor and groundnuts for sale."

    Societies, Religion, and History: Central East Tanzanians and the World They Created, c. 200 BCE to 1800 CE

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