Answer:

trench

Answer	Crossword Clue
TRENCH	Deep furrow
TRENCH	Deep ditch
TRENCH	Spy's kind of coat

TRENCH	WWI line
TRENCH	Long dug pit
TRENCH	Sapper's creation
TRENCH	Wartime channel
TRENCH	Wartime shelter
TRENCH	Ditch
TRENCH	Dug shelter
TRENCH	Front lines shelter

TRENCH	Dug-out area
TRENCH	Warfare variety
TRENCH	Type of warfare
TRENCH	Wartime ditch
TRENCH	War hole
TRENCH	Type of coat
TRENCH	Kind of warfare or coat
TRENCH	Battlefield site

TRENCH	Military shelter
TRENCH	Low point
TRENCH	Oceanic depression
TRENCH	Battleground excavation
TRENCH	Battlefield ditch
TRENCH	Rifle pit
TRENCH	Long, narrow ditch
TRENCH	Soldier's home.

TRENCH	Dublin archbishop, friend of Tennyson.
TRENCH	Long cut, as in land.
TRENCH	Deep furrow.
TRENCH	Ditch.
TRENCH	... coat.
TRENCH	Narrow ditch.
TRENCH	One kind of coat.
TRENCH	Kind of coat.

TRENCH	W.W. I line
TRENCH	Excavation
TRENCH	A.E.F. excavation
TRENCH	French ...: abri?
TRENCH	Western Front feature