boulder
🇺🇸
/ˈbəʊldər/
🇬🇧
/ˈbəʊldə(r)/
noun
R
a very big rock, often found outdoors, that has been shaped by natural forces like water or weather
The children climbed on a large boulder at the park.
子供たちは公園の大きな岩に登った。
translation
大きな岩
語形変化
Plural
boulders