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# biceps

«biceps» in Mova's school dictionary: **the big muscle at the front of your upper arm that bends…** — its meaning for a pupil, its sense in the lessons and examples, with 2 sentences of Mova's corpora that use it.

### part of speech

noun (biceps; plural biceps)

### meaning for a pupil

1) The biceps is the big muscle at the front of your upper arm that bends your elbow. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/biceps/#m1)

2) Biceps can also name a similar muscle at the back of the thigh. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/biceps/#m2)

### sense in the lessons

In science lessons pupils learn that muscles work in pairs: the biceps contracts to bend the arm, and the triceps at the back contracts to straighten it. In PE people «show their biceps» by bending the arm. Phrases: flex your biceps, biceps and triceps.

### examples

- Bend your arm and feel your biceps get hard. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/biceps/#x1)
- The biceps pulls the forearm up. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/biceps/#x2)
- Muscles work in pairs, like the biceps and triceps. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/biceps/#x3)
- He showed off his big biceps. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/biceps/#x4)
- Lifting shopping bags uses your biceps. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/biceps/#x5)
- When the biceps relaxes, the triceps straightens the arm. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/biceps/#x6)

### note

«Biceps» is singular and plural at the same time: one biceps, two biceps. «Bicep» without «s» is common in speech but «biceps» is the correct form. «Bi» means two: the muscle has two heads at the top. Muscles only pull, never push — that is why they work in pairs.

### In the corpora

- [Muscles can only pull, never push, so they work in pairs: the biceps bends the elbow and the triceps straightens it.](https://md.mova.elamur.ai/free/en/corpora/school/biology/360-muscles-and-joints-by-name-biceps-triceps-knees-elbows-and-the-busiest-muscles/7/)
- [The biceps bends the arm and the triceps straightens it.](https://md.mova.elamur.ai/free/en/corpora/school/world/31-skeleton-and-muscles/15/)

### Trees and pragmatics

[Every meaning and example of «biceps» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/biceps/), each sentence with its dependency tree and frames.