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# ulna

noun (an ulna, ulnae or ulnas)

«ulna» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

1. The ulna is one of the two long bones in the forearm, between the elbow and the wrist; it is on the little-finger side. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/U/ulna/#m1)
2. The other forearm bone is the radius, on the thumb side. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/U/ulna/#m2)

### In the lessons

In science lessons the ulna is part of the skeleton; the bony tip of your elbow is the top of the ulna. The ulna and radius twist around each other when you turn your hand over. In first aid, a broken forearm may mean a fractured ulna or radius. Phrases: radius and ulna, broken ulna.

### Examples

- The ulna runs from your elbow to your wrist. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/U/ulna/#x1)
- Feel the bony point of your elbow; that's the end of your ulna. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/U/ulna/#x2)
- She broke her ulna falling off her scooter. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/U/ulna/#x3)
- The ulna is on the same side as your little finger. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/U/ulna/#x4)
- The radius and the ulna let you turn your palm up and down. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/U/ulna/#x5)
- Birds have an ulna in their wings too. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/U/ulna/#x6)
- The X-ray showed a crack in the ulna. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/U/ulna/#x7)

### Note

Use «an ulna» (it starts with a vowel sound). Plural ulnae (Latin) or ulnas. The «funny bone» is not a bone: it is a nerve near the end of the ulna and humerus that tingles when bumped.

## On Mova

- [Trees and pragmatics of «ulna» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/U/ulna/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«ulna» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/ulna.html) on Mova free.