caster: meaning, definition, pronunciation and examples
B2neutral
Quick answer
What does “caster” mean?
A person or machine that throws, hurls, or spreads something.
Audio
Pronunciation
Definition
Meaning and Definition
A person or machine that throws, hurls, or spreads something; specifically, a container with perforations for sprinkling (like sugar).
1) A rotating wheel, typically on furniture for easy movement. 2) A person who casts metal, votes, actors in a play, or spells. 3) A fishing rod designed for casting. 4) An implement for spreading food items (e.g., a sugar caster).
Dialectal Variation
British vs American Usage
Differences
The spelling 'castor' is more traditionally preserved in BrE for specific terms like 'castor sugar' and 'castor oil'. The mechanical wheel is consistently 'caster' in both. In AmE, 'caster' is overwhelmingly dominant for all meanings.
Connotations
In BrE, 'castor' can sound slightly more traditional or refined when referring to sugar or oil. The term 'caster' is perceived as more industrial/technical.
Frequency
Overall frequency is moderate, with higher use in manufacturing, furniture, and culinary contexts. 'Caster sugar' is a very common term in UK kitchens.
Grammar
How to Use “caster” in a Sentence
[caster] of [material/role] (e.g., caster of bronze, caster of spells)[adjective] caster (e.g., professional caster, lead caster)Vocabulary
Collocations
Examples
Examples of “caster” in a Sentence
verb
British English
- The fisherman will caster his line expertly into the current.
- She began to caster the fine sugar over the fresh doughnuts.
American English
- He castered his vote by mail.
- The machine is designed to caster the molten alloy into molds.
adverb
British English
- The chair moved caster-like across the polished floor. (rare/poetic)
American English
- He adjusted the rig caster-wise for better balance. (rare/technical)
adjective
British English
- The caster mechanism on the trolley is jammed.
- We need a caster sugar substitute for this recipe.
American English
- The caster action on the fishing rod is smooth.
- Buy a bag of caster sugar for the bakery.
Usage
Meaning in Context
Business
Refers to supplier/manufacturer in metalworking (e.g., 'aluminium caster') or a procurement item (e.g., 'ordering replacement casters for office chairs').
Academic
Rare. May appear in historical/industrial studies discussing foundry work.
Everyday
Most common for the wheel on furniture or luggage, and for 'caster sugar' in cooking.
Technical
Precise term in engineering for a type of swivelling wheel assembly; in fishing for a type of rod.
Watch out
Common Mistakes When Using “caster”
- Confusing 'caster' with 'castor' (acceptable variation, but 'caster' is safer). Using 'caster' for a large, non-swivelling wheel (those are usually 'fixed wheels').
FAQ
Frequently Asked Questions
'Caster' is the standard modern spelling for wheels, people who cast, and sprinklers. 'Castor' is a traditional British variant, most notably in 'castor oil' and 'castor sugar', though 'caster sugar' is now very common. For all other uses, 'caster' is preferred.
Not exactly. A caster is a wheel *assembly* that includes a mounting frame (or 'horn') and often a swivel mechanism. A simple wheel on an axle is not a caster.
It's a very fine granulated white sugar (called 'superfine sugar' in the US). Its fine grains are ideal for baking, whipping into creams, and sweetening cold drinks because it dissolves quickly.
Yes. It can refer to a person who casts metal (foundry worker), a person who casts fishing lines (fisherman), or a person who selects actors for a play/film (though 'casting director' is more specific).
A person or machine that throws, hurls, or spreads something.
Caster is usually neutral in register.
Caster: in British English it is pronounced /ˈkɑːstə(r)/, and in American English it is pronounced /ˈkæstər/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “'Sweet as a caster's tune' (obsolete, referring to a street vendor)”
- “No major modern idioms”
Learning
Memory Aids
Mnemonic
A CASTER can CAST things: it casts sugar, casts wheels to move, or casts metal into shapes.
Conceptual Metaphor
AGENT AS DISTRIBUTOR / MOBILITY AS FREEDOM (caster wheels enable movement).
Practice
Quiz
In which context is the spelling 'castor' most traditionally accepted in British English?