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Definition of pec

pec

/pɛk/
pec
Plural:pecs
•
Adjective:pectoral
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pec Lexical Profile

pec Game Scores & Validity

• noun

1

A pectoral muscle of the upper chest, especially when well-developed through physical exercise (usually used in the plural).

Example

"The physical therapist recommended gentle stretching exercises after he strained his right pec on the bench press."

Synonyms
View all synonyms for pec

Word Nuance & Usage

Most commonly used in the plural form 'pecs' in informal fitness and bodybuilding contexts. Not to be confused with the homophone 'peck' (a quick bite or kiss, or a unit of dry measure).

• Rhymes for pec

• Nearby Words

pebble
pebbled
pebbly
pec
pecan
peccary
pechora

Word Origin & Etymology

Mid-20th century informal shortening of 'pectoral' (or 'pectoralis'), derived from Latin 'pectoralis' ('of the chest'), from 'pectus' ('breast, chest').

Cite this Entry

Wordmom. (2026). Definition of Pec. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/pec
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