怪かい石せき

noun

oddly shaped stone; oddly shaped rock

Refers to a stone or rock with a strange or unusual shape, often found in nature or used decoratively.

• 庭にわに怪かい石せきを置おいて、風ふう流りゅうな雰ふん囲い気きを出だしている。

  They placed an oddly shaped stone in the garden to create an elegant atmosphere.