| Answer | Crossword Clue |
|---|---|
| SLIT | Kind of trench |
| SLIT | Kind of trench. |
| SLIT | Kind of trench or lamp |
| ZIG | Angle of a trench. |
| ESCARP | Inner wall of a trench |
| UNEXPLORED | Like much of the Mariana Trench |
| SALIENT | Outer part of a trench system. |
| PARADOS | Embankment at back edge of a trench. |
