boyau

Etymology
Borrowed from. .

Noun

 * 1)  A small trench or ditch, typically built in a zigzag pattern, serving to connect or provide communication between two trenches, particularly the rear and front lines.
 * 2) A line, drawn winding about, in order to enclose several tracts of land, or to attack some works.

Translations

 * French:

Etymology
,, from.

Noun

 * 1)  gut, intestine (of an animal, or, informally of a human)
 * 2) catgut, gut
 * 3)  communication trench,
 * 4) hose, e.g. a firehose