Dictionary.com
Thesaurus.com
Showing results for biceps. Search instead for bicepses.
Synonyms

biceps

American  
[bahy-seps] / ˈbaɪ sɛps /

noun

Anatomy.

plural

bicepses, biceps

  1. either of two flexor muscles, one biceps brachii located in the front of the upper arm and assisting in bending the arm, and the other biceps femoris located on the back of the thigh and assisting in bending the leg.

biceps British  
/ ˈbaɪsɛps /

noun

  1. anatomy any muscle having two heads or origins, esp the muscle that flexes the forearm

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
biceps Scientific  
/ bī′sĕps′ /

  1. Either of two muscles, biceps brachii of the arm or biceps femoris of the leg, each with two points of origin. The biceps of the arm bends the elbow, while the biceps of the leg helps to bend the knee as part of the hamstring.

Etymology

Origin of biceps

1625–35; < Latin: two-headed, having two parts, equivalent to bi- bi- 1 + -ceps (stem -cipit- ), combining form of caput head

Compare meaning

How does biceps compare to similar and commonly confused words? Explore the most common comparisons:

Vocabulary lists containing biceps

Physical Education - Middle School and High School

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Human Anatomy and Physiology - High School

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“You can defend your homeland and get great benefits,” Cain said, flashing his bright white smile and brown biceps.

From Los Angeles Times • Aug. 12, 2025

In one memorable photo, Trump’s ankles appear downright sausagelike, impressively achieving a diameter that can, I think, realistically rival Hulk Hogan’s biceps.

From Slate • Jul. 18, 2025

And then there’s Ilona Maher — Olympic rugby player, nurse and proud owner of biceps that could crack a crab leg on sight.

From Salon • Jun. 18, 2025

Quaid doesn’t have Statham’s biceps, but for my money, he doesn’t need them.

From Los Angeles Times • Mar. 13, 2025

Ms. Connors and Basketball Coach talk serious frown talk arms on hips, biceps flexing.

From "Speak" by Laurie Halse Anderson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.