Channel
Else clues• Battlefield furrow
• Battlefield site
• Battleground excavation
• Coat type
• Deep ditch
• Deep furrow
• 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