Solutions Boundary trench has 14 entries with similar clues
- edgyBoundary-pushing
- moatcastle's protective trench
- edgeBoundary
- hedgeBoundary
- limitBoundary
- dugoutSoldiers trench
- paradosFortified wall behind a trench for protection from rear
- luminalAt a boundary or threshold
- traverseDefensive barrier of mud bank in front of a trench
- perimeterOuter boundary of an area
- open-endedHaving no predetermined limit or boundary
- event-horizonIn astronomy, boundary of a black hole
- pioneer-corpsArmy body preparing trenches, etc.
- challenger-deep-in-the-marina-trench-in-the-north-pacific-oceanThe world's deepest ocean trench