This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. In military fortification, a trench or ditch covered with a parapet that provides communication between two trenches, particularly the rear and front lines. Boyaus were typically constructed in a zigzag pattern to prevent exposure to direct enemy fire from the front.

n. A line, drawn winding about, in order to enclose several tracts of land, or to attack some works.

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

n. In fort, a ditch covered with a parapet, serving as a means of communication between two trenches, especially between the first and third parallels. Also called a zigzag or an approach.

"Just as we neared the crest of the hill, at a notice bearing the legend, "Keep below," the whole party entered a deep "boyau" leading right up to the trenches in front, from which branched off various passages to the gun pits, or butts, as we used to call them."

pitter    on/off    vinery    natural-looking    underpass