Word Pronunciation & Dictionary

castor

/ˈkæs.tɚ/

Word Rarity Rare

Frequency: 3.18 in modern English

Syllables
cas-tor
IPA
/ˈkæs.tɚ/
8
Scrabble Score
6
Letters
2
Syllables
6
Unique Chars

Meaning

noun

A hat made from the fur of the beaver.

Countable; Uncountable

noun

A heavy quality of broadcloth for overcoats.

Countable; Uncountable

noun

Castoreum (bitter exudate of mature beavers).

Countable; Uncountable

noun

Any of various nymphalid butterflies of the genus Ariadne, of Africa and Asia.

Countable; Uncountable

noun

A variety of petalite found in Elba.

Uncountable

noun

Alternative spelling of caster, especially in its senses

British usage

noun

Alternative spelling of caster, especially in its senses

British usage

name

One of the Dioscuri

Example Sentences

Etymology

From Middle French castor, from Old French castor (“beaver”), from Latin castor (“beaver”), from Ancient Greek κάστωρ (kástōr), from Doric Greek κάστον (káston, “wood”).

Origin

Word Breakdown

Regional Pronunciation

  • American English: /ˈkæs.tɚ/
  • British English: /ˈkɑːs.tə/

Usage

Inflected Forms

Derived Forms

Phrases

Frequently Paired Words

Synonyms

Homonyms

Rhymes With

Questions

How do you pronounce castor?
The recorded pronunciation is /ˈkæs.tɚ/.
What does castor mean?
A hat made from the fur of the beaver.
Where does castor come from?
It is traced to Middle French.

How to pronounce castor

  1. Open the pronunciation page — Open the Speakur entry for “castor”.
  2. Read the phonetic spelling — Read the IPA spelling (/ˈkæs.tɚ/) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “castor”.
  4. Repeat and practice — Say “castor” aloud, matching stress and vowels until it feels natural.