pecs
B2Informal, colloquial. Sometimes used humorously.
Definition
Meaning
The large, paired chest muscles, specifically the pectoralis major.
Informally refers to a man's visibly developed chest muscles, often used as a sign of physical fitness or attractiveness.
Linguistics
Semantic Notes
Almost exclusively plural. Originates as a clipping of the anatomical term 'pectoral muscles'. Carries strong connotations of deliberate muscular development through exercise.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning. The term is equally common in both varieties.
Connotations
Slightly more likely to be used in a jocular or ironic way in British English.
Frequency
Equally frequent in fitness/gym contexts in both regions.
Vocabulary
Collocations
Grammar
Valency Patterns
He has [adjective] pecs.He is working on his pecs.He pulled a [pec/pec muscle].Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Pecs like a pigeon (describing a protruding chest).”
Usage
Context Usage
Business
Not used.
Academic
Used informally in sports science or anatomy contexts; the formal term 'pectoral muscles' is preferred.
Everyday
Common in informal talk about fitness, appearance, or health.
Technical
Used in fitness training, bodybuilding, and physiotherapy as informal shorthand.
Examples
By Part of Speech
verb
British English
- He's been pecs-ing it at the gym lately. (very informal, jocular)
American English
- He's totally pecs-ing out. (very informal, jocular)
adjective
British English
- He's got a real pecs-and-abs physique. (compound adjective)
American English
- That's a serious pec workout. (as a modifier)
Examples
By CEFR Level
- He has big arms and pecs.
- If you want bigger pecs, you should do more bench presses.
- His sharply defined pecs were the result of years of disciplined training.
- The physiotherapist diagnosed a minor tear in his left pec, advising him to avoid heavy pressing movements.
Learning
Memory Aids
Mnemonic
Think of a PECtorally-strong PECtin bird (like a pigeon) puffing out its chest. PECS sounds like 'pecks' – a bird pecks, but your PECS are what you show off.
Conceptual Metaphor
MUSCLES ARE ARMOUR/SHIELD (e.g., 'He puffed out his pecs'). MUSCLES ARE ACHIEVEMENTS (e.g., 'He built his pecs').
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'грудь' (breast/chest as a general area). 'Pecs' specifically refers to the muscles. The direct equivalent is 'грудные мышцы' or 'пекторальные мышцы'. Avoid using the slang term 'pecs' in formal Russian translation.
Common Mistakes
- Using it as a singular noun ('a big pec' is possible but far less common than the plural). Misspelling as 'pex'. Using it to refer to the general chest area of someone who is not muscular.
Practice
Quiz
In which context is the word 'pecs' LEAST appropriate?
FAQ
Frequently Asked Questions
No, it is an informal, colloquial term. The formal anatomical term is 'pectoral muscles' or 'pectoralis major'.
It is possible but very uncommon and can sound odd. The term is strongly associated with male bodybuilding and visible muscular definition. 'Chest muscles' or 'pectorals' is more neutral.
A 'pec' (short for pectoral muscle). However, the term is almost always used in the plural because the muscles are a paired set.
Not in standard usage. You might hear a very informal, jocular usage like 'He's pecs-ing out', meaning he's developing large chest muscles, but it is non-standard slang.