broach2

 
Pronunciation: /brəʊtʃ/
Nautical

verb

[no object]
  • (of a ship) veer and pitch forward, presenting a side to the wind and waves and losing steerage control: we had broached badly, side on to the wind and sea

noun

  • a sudden and unwelcome veering of a ship that causes it to broach: the helmsman was forced to use the engines in conjunction with the wheel to prevent a broach

Origin:

early 18th century: of unknown origin