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# eyeball

«eyeball» in Mova's school dictionary: **the round ball of the eye, most of which sits inside your…** — 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 (an eyeball, eyeballs); verb (eyeball, eyeballs, eyeballed, eyeballing — informal)

### meaning for a pupil

1) An eyeball is the round ball of the eye, most of which sits inside your head. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/E/eyeball/#m1)

2) (informal) To eyeball someone or something is to look at them hard, often in a challenging or rude way. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/E/eyeball/#m2)

3) (informal) To eyeball an amount is to guess it just by looking, without measuring. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/E/eyeball/#m3)

### sense in the lessons

In science lessons on the body, the eyeball has the pupil, iris, lens and retina, and is moved by six muscles. In everyday talk: «eyeball to eyeball» means face to face in an argument; «up to my eyeballs in homework» means very busy. In maths, «eyeballing» is estimating: good for a quick check, but measure for an exact answer. Phrases: «eyeball to eyeball», «up to your eyeballs», «eyeball it».

### examples

- The eyeball is about the size of a large grape. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/E/eyeball/#x1)
- We looked at a model of the eyeball in science. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/E/eyeball/#x2)
- The two cats eyeballed each other across the fence. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/E/eyeball/#x3)
- I'm up to my eyeballs in homework this week. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/E/eyeball/#x4)
- Don't just eyeball it, measure the line with a ruler. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/E/eyeball/#x5)
- At Halloween we ate jelly eyeballs. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/E/eyeball/#x6)
- I will sing you the praise of the bottle-tailed Rikki, with eyeballs of red! [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/E/eyeball/#x7)

### note

One word. «Eyeball» as a verb is informal. Maths: eyeballing gives an estimate, not an exact measurement.

### In the corpora

- [A frog swallows prey whole and pulls its eyeballs down into its head to help push the food down its throat.](https://md.mova.elamur.ai/free/en/corpora/school/biology/32-frogs-toads-newts-and-salamanders/10/)
- [Picture a crested gecko licking its own eyeball: it has no moving eyelids, so its tongue is its windscreen wiper.](https://md.mova.elamur.ai/free/en/corpora/school/biology/329-tortoises-lizards-and-geckos-as-pets-heat-light-and-washing-hands/4/)

### Trees and pragmatics

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