Definitions

1. verb

to flow or run turbulently, as a river in spate

“The swollen river began to threave, threatening the nearby town with a devastating flood.”

2. noun

a place where a river threaves or flows turbulently

“The threave was a notorious stretch of river known for its treacherous currents.”

3. noun

a channel or course of water, especially one that is turbulent or swollen

“The threave of water crashed against the riverbank, causing erosion and damage to the surrounding landscape.”