This is the 9361st most frequent Japanese word.
石割
"石割" means "stone splitting" or "rock splitting."
The word 石割 refers to the tool (stone splitter) used to split rocks in this context.
庭師が石割を使って大きな岩を分割しました。
The gardener used a stone splitter to divide the large rock.
石割 here indicates the act or technique of splitting stones as a skill.
彼の石割の技術は村で有名です。
His stone splitting technique is famous in the village.
In this sentence, 石割 refers to the process or phase of splitting stones as part of the work.