Boulder



Same as: bowlder
noun
1.
(a large piece of loose rock torn from its bed, and rounded by water) ដុំឬផ្ទាំងថ្មធំៗ
ENGLISH MEANING
noun
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.