noun
huge rock; massive boulder
Poetic term for a large, imposing rock or crag, often used in classical or literary contexts.
その詩人は、海辺の巌に腰を下ろして詩を書いた。
The poet sat on a massive rock by the sea and wrote a poem.
The reading いわお is a native Japanese word for a large rock or crag. The kanji 巌 (and its older form 巖) are Chinese characters adopted for their meaning.