# bicep

Pronunciation: US say "BY-sep" /ˈbaɪsɛp/; UK

## Noun

1. The large flexor muscle at the front of the upper arm, more formally called the biceps.
   - Simple: The big muscle on the front of your upper arm.
   - _The trainer showed her how to work each bicep with slow, controlled curls._
   - _A torn bicep kept the pitcher off the mound for two months._

## Origin

A back-formation from "biceps." In Latin, "biceps" is singular, but English speakers reinterpreted it as a plural and formed the new singular "bicep."

Source: DictionaryAI, https://dictionaryai.com/define/bicep (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).