Boy"au (?), n.; pl. Boyaux or Boyaus (#). [F. boyau gut, a long and narrow place, and (of trenches) a branch. See Bowel.] Fort.

A winding or zigzag trench forming a path or communication from one siegework to another, to a magazine, etc.

 

© Webster 1913.

Log in or registerto write something here or to contact authors.