n.

1. (Zoöl.) A genus of rodents, including the beaver. See Beaver.

2. Castoreum. See Castoreum.

3. A hat, esp. one made of beaver fur; a beaver.

I have always been known for the jaunty manner in which I wear my castor.

Sir W. Scott.

4. A heavy quality of broadcloth for overcoats.

Cast·or
n.

See Caster, a small wheel.

Cas·tor
n.

[L.]
(Astron.) the northernmost of the two bright stars in the constellation Gemini, the other being Pollux.

Cas·tor
Cas·tor·ite , n.

[The minerals castor and pollux were so named because found together on the island of Elba. See Castor and Pollux.]
(Min.) A variety of the mineral called petalite, from Elba.

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IN BRIEF: n. - A hat made with the fur of a beaver (or similar material); A pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable; A shaker with a perforated top for sprinkling powdered sugar.

Tutor's tip: The salt "caster" (a sprinkler for salt or pepper) is in the cupboard with the "castor" (an oil used as a medicine) oil.

Note: click on a word meaning below to see its connections and related words.

The noun has 3 meanings:

Meaning #1: a shaker with a perforated top for sprinkling powdered sugar
  Synonym: caster

Meaning #2: a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movable
  Synonym: caster

Meaning #3: a hat made of beaver fur or similar material
  Synonym: beaver

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Dansk (Danish)
1.
n. - strødåse, møbelrulle, kastor

idioms:

• castor sugar    strøsukker

2.
n. - bævergejl, bæverskind

3.

idioms:

• castor oil    amerikansk olie

Nederlands (Dutch)
zwenkwieltje, strooier, bevervilt, bevergeil

Français (French)
1.
n. - (Pharm) castoréum

idioms:

• castor sugar    sucre en poudre

2.
n. - roulette (de roue)

3.

idioms:

• castor oil    huile de ricin

Deutsch (German)
1.
n. - Biber(geil)

idioms:

• castor sugar    Raffinade

2.
n. - Möbelrolle, Streubüchse

3.

idioms:

• castor oil    Rizinusöl, Kastoröl

Ελληνική (Greek)
n. - (φαρμακολ.) καστόριο (έκκριμμα), καρούλι, ρόδα (επίπλου), πασπαλιστήρι (αλατιέρα, πιπεριέρα)

idioms:

• castor oil    (φαρμακολ.) καστορέλαιο, ρετσινόλαδο
• castor sugar    ζάχαρη άχνη

Italiano (Italian)
castoro

idioms:

• castor oil    olio di ricino
• castor sugar    zucchero raffinato

Português (Portuguese)
n. - castor (m)

idioms:

• castor oil    óleo (m) de mamona
• castor sugar    açúcar cristal

Русский (Russian)
мебельное колесико

idioms:

• castor oil    касторовое масло
• castor sugar    сахарная пудра

Español (Spanish)
1.
n. - salero, pimentero

idioms:

• castor sugar    azúcar extrafino

2.
n. - castor, ruedecilla, castóreo, sombrero de castor

3.

idioms:

• castor oil    aceite de ricino o de castor

Svenska (Swedish)
n. - hjul, sockerströare, castervinkel, bävergäll

中文（简体） (Chinese (Simplified))
1. 海狸, 海狸皮

idioms:

• castor sugar    细白砂糖

2. 脚轮

3. 海狸, 脚轮, 海狸皮

idioms:

• castor oil    蓖麻油

中文（繁體） (Chinese (Traditional))
1.
n. - 海狸, 海狸皮

idioms:

• castor sugar    細白砂糖

2. 海狸, 腳輪, 海狸皮

idioms:

• castor oil    蓖麻油

3.
n. - 腳輪

한국어 (Korean)
1.
n. - 다리 바퀴, 양념병

2.
n. - 해리, 비버털 가죽

3.

idioms:

• castor oil    아주까리 기름

日本語 (Japanese)
n. - ビーバー, 海狸香, カストール, カストル, 投げる人, 計算者

idioms:

• castor oil    ひまし油
• castor sugar    キャスター糖

العربيه (Arabic)
‏(الاسم) عجله صغيرة للكراسي‏

עברית (Hebrew)
n. - ‮גלגילון (מתחת לרהיט), מבזק מלח, מבזק פלפל‬
n. - ‮סם בלוטי הבונה - משמש ברפואה ולייצור בושם, בונה‬
castor oil - ‮שמן קיק‬

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castor oil