Search Dictionary
Definition of biceps

biceps

/ˈbaɪ.sɛps/
bi · ceps

Plural:biceps
•
Adjective:bicipital
JUMP TO:

biceps Lexical Profile

biceps Game Scores & Validity

• noun

1

The large muscle at the front of the upper arm that flexes the forearm and rotates the hand outward; more generally, any skeletal muscle having two heads or points of origin, such as the biceps femoris at the back of the thigh.

Example

"Regular strength training with dumbbells helps build endurance in the biceps and surrounding arm muscles."

Word Nuance & Usage

Although ending in '-s', 'biceps' is both the standard singular and plural form ( alongside 'bicepses'). In informal contexts, the back-formed singular 'bicep' is frequently used.

Word Origin & Etymology

Borrowed in the mid-17th century from Latin biceps, meaning 'two-headed', formed from bi- ('two') and -ceps (combining form of caput, 'head'), referring to the muscle's two points of attachment.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Biceps. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/biceps
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.