TRENCH

Deep furrow

• Battlefield furrow

• Battlefield site

• Battleground excavation

• Channel

• Coat type

• Deep ditch

• Defensive excavation

• Ditch

• Doughboy's defense

• Doughboys' ditch

• Dug shelter

• Dug-out area

• Fosse

• French ___: abri?

• Front lines shelter

• Kind of warfare

• Kind of warfare or coat

• Long, narrow ditch

• Low point

• Mariana ___ (deepest part of the ocean)

• Military shelter

• Oceanic depression

• Rifle pit

• Sapper's creation

• Soldier's line of defense

• Soldiers' ditch

• Spy's kind of coat

• Type of coat

• Type of warfare

• Type of warfare or coat

• War hole

• Warfare variety

• Wartime ditch

• Wartime shelter

• Western Front feature

• WWI hideout for soldiers

• WWI line

• You can dig it

• A long steep-sided depression in the ocean floor

• Any long ditch cut in the ground

• A ditch dug as a fortification having a parapet of the excavated earth