渓壑
Meanings
1
Literary or formal term for a deep, narrow valley with steep sides. Not an everyday word; 谷 (たに) is the common equivalent.
The ravine was deep, and a clear stream flowed at the bottom.
2
ravenous desire; insatiable craving
Figurative use likening intense desire to a bottomless chasm. Rare and literary; often appears in the set phrase 渓壑の欲 (けいがくのよく).
His insatiable desire for power finally brought about his ruin.