noun
bouldering
Refers to the sport of climbing on small rock formations or artificial walls without a rope, typically at low heights. Related to ボルダー (boulder).
See also: ボルダー
週末に友達とボルダリングに行った。
I went bouldering with friends on the weekend.
彼はボルダリングのジムで新
He climbed a new problem at the bouldering gym.