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# oyster

«oyster» in Mova's school dictionary: **A sea animal with a soft body inside a rough, hinged…** — its meaning for a pupil, its sense in the lessons and examples, with 1 sentence of Mova's corpora that use it.

### part of speech

noun (an oyster, oysters)

### meaning for a pupil

1) A sea animal with a soft body inside a rough, hinged shell; some are eaten as food. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oyster/#m1)

2) A pearl oyster: a kind of oyster that can make a pearl inside its shell. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oyster/#m2)

3) In the saying «the world is your oyster»: you can go anywhere and do anything you choose. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oyster/#m3)

### sense in the lessons

In science, oysters are molluscs that filter water to feed; oyster reefs clean the sea. In history and food, oysters were once a cheap food in London. The idiom «the world is your oyster» is often said to young people leaving school. Phrases: «oyster shell», «pearl oyster», «oyster bed», «the world is your oyster».

### examples

- An oyster has a hard rough shell. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oyster/#x1)
- A pearl grows inside an oyster when sand or grit gets in. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oyster/#x2)
- Oysters clean the water by filtering it. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oyster/#x3)
- Grandad loves eating oysters at the seaside. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oyster/#x4)
- You're young and clever — the world is your oyster! [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oyster/#x5)
- Fishermen collected oysters from the oyster beds. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oyster/#x6)
- London's «Oyster card» is used to pay for buses and the Tube. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oyster/#x7)
- One day the fisherman went out fishing, and among his catch for the day he brought home three dozen oysters. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/oyster/#x8)

### note

Countable: an oyster, oysters (use «an»). Myth: not every oyster makes pearls, and pearls usually form around a tiny parasite or bit of tissue, not just a grain of sand. Safety: raw oysters can make people ill; only eat them fresh from a safe source.

### In the corpora

- [You're enough to try the patience of an oyster!"](https://md.mova.elamur.ai/free/en/corpora/school/books/6-alice-ch3-part2-a-long-tale/17/)

### Trees and pragmatics

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