supinator: meaning, definition, pronunciation and examples

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UK/ˈsuːpɪneɪtə/US/ˈsuːpɪneɪtər/

Technical/Medical

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Quick answer

What does “supinator” mean?

A muscle in the forearm that turns the palm upward or forward.

Audio

Pronunciation

Definition

Meaning and Definition

A muscle in the forearm that turns the palm upward or forward.

In anatomy, a specific muscle (musculus supinator) that supinates the forearm; in broader technical contexts, any agent or device that produces supination (outward rotation).

Dialectal Variation

British vs American Usage

Differences

No lexical differences; standard anatomical terminology is identical in both varieties. Pronunciation differs slightly (see IPA).

Connotations

Purely technical/neutral in both varieties.

Frequency

Equally rare and specialized in both UK and US English.

Grammar

How to Use “supinator” in a Sentence

The supinator [verb] e.g., originates, inserts, acts, functionsDamage to the supinatorInnervation of the supinator

Vocabulary

Collocations

strong
supinator muscledeep branchradial nerveforearm supinatorsupinator action
medium
ruptured supinatorinnervate the supinatorfunction of the supinatortest the supinator
weak
strengthen the supinatorpain in the supinatorsupinator and pronatorsupinator tendon

Examples

Examples of “supinator” in a Sentence

verb

British English

  • The therapist asked him to supinate his forearm.

American English

  • The athlete needs to supinate his hand during the throw.

adverb

British English

  • The hand was positioned supinately.

American English

  • He held the tool supinately.

adjective

British English

  • The supinator region was tender to the touch.

American English

  • A supinator muscle strain can be quite painful.

Usage

Meaning in Context

Business

Not used.

Academic

Used in medical, anatomical, physiotherapy, and sports science textbooks and lectures.

Everyday

Virtually never used in everyday conversation.

Technical

Primary context: detailed anatomical description, clinical diagnosis, surgical reports, rehabilitation protocols.

Vocabulary

Synonyms of “supinator”

Strong

musculus supinator

Neutral

supinator muscle

Weak

outward rotator (of forearm)palm-up muscle

Vocabulary

Antonyms of “supinator”

pronatorpronator terespronator quadratus

Watch out

Common Mistakes When Using “supinator”

  • Misspelling as 'supinater' or 'suppinator'.
  • Using it as a general verb (it is a noun).
  • Confusing it with 'supine' (which is an adjective for lying face up).

FAQ

Frequently Asked Questions

Its main action is to supinate the forearm (rotate the radius bone so the palm faces anteriorly or upward).

No, it is a highly specialized medical/anatomical term not used in everyday conversation.

It is innervated by the deep branch of the radial nerve (C5-C6).

In standard English, no. It specifically refers to the supinator muscle. In other languages, it may have broader meanings (e.g., an insole).

A muscle in the forearm that turns the palm upward or forward.

Supinator is usually technical/medical in register.

Supinator: in British English it is pronounced /ˈsuːpɪneɪtə/, and in American English it is pronounced /ˈsuːpɪneɪtər/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • None

Learning

Memory Aids

Mnemonic

SUPinator helps you hold a bowl of SOUP with your palm UP.

Conceptual Metaphor

A ROTATOR or TURNER (conceptualized as a mechanical agent causing rotation).

Practice

Quiz

Fill in the gap
The muscle is responsible for turning the palm upward.
Multiple Choice

In which field is the term 'supinator' primarily used?

supinator: meaning, definition, pronunciation and examples | Lingvocore