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# boulder

«boulder» in Mova's school dictionary: **a very large, rounded rock, too big to pick up** — 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 (a boulder, boulders)

### meaning for a pupil

A boulder is a very large, rounded rock, too big to pick up. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boulder/#m1)

### sense in the lessons

In geography and science boulders are moved by glaciers, rivers and landslides; weathering and erosion slowly break them into smaller stones, pebbles and sand. In everyday life and safety: falling boulders are a danger on mountain roads (warning signs), and «bouldering» is climbing on low rocks or walls with a mat. In stories heroes roll boulders away from cave mouths.

### examples

- A huge boulder blocked the path. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boulder/#x1)
- The glacier carried boulders down the valley. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boulder/#x2)
- We climbed on the boulders at the beach. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boulder/#x3)
- The sign warned of falling boulders. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boulder/#x4)
- It took ten people to push the boulder. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boulder/#x5)
- Over a long time, water wore the boulder smooth. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boulder/#x6)
- One feels quite a novice beside these venerable million-year-old boulders. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/B/boulder/#x7)

### note

Countable. Size order from big to small: boulder, rock, stone, pebble, gravel, sand. Not to be confused with «bolder» (more brave), which sounds the same.

### In the corpora

- [Glaciers dropped huge boulders, called erratics, far from the rocks they came from.](https://md.mova.elamur.ai/free/en/corpora/school/geography/54-glaciers-and-ice-ages/15/)
- [A glacier can carry huge boulders far from where they broke off and drop them when the ice melts.](https://md.mova.elamur.ai/free/en/corpora/school/world/65-glaciers-ice-ages-polar-lands/13/)

### Trees and pragmatics

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