| Rating | Solver | Clue |
|---|---|---|
| FURROW | Narrow trench | |
| TRENCH | A long, narrow cut in the earth; a ditch; as, a trench for draining land. | |
| SAP | A narrow ditch or trench made from the foremost parallel toward the glacis or covert way of a besieged place by digging under cover of gabions, etc. |