Boulder

Same as: bowlder

1.

(a large piece of loose rock torn from its bed, and rounded by water) ដុំឬផ្ទាំងថ្មធំៗ

1.

A large stone, worn smooth or rounded by the action of water; a large pebble.

2.

A mass of any rock, whether rounded or not, that has been transported by natural agencies from its native bed.