Definition of boyau in English:

boyau

noun

Military
  • A minor trench connecting two different positions on a battlefield, typically built in a zigzag pattern to protect against raking by gunfire; a communication trench.

Origin

Late 17th century. From French boyau, specifically use of boyau bowels, intestines.

Pronunciation

boyau

/ˈbwɑːjəʊ//ˈbɔɪəʊ/