Dike

1. A ditch; a channel for water made by digging.
2. To work as a ditcher; to dig.
3. To surround or protect with a dike or dry bank; to secure with a bank.
4. A wall-like mass of mineral matter, usually an intrusion of igneous rocks, filling up rents or fissures in the original strata.
5. A wall of turf or stone.
6. To drain by a dike or ditch.
7. An embankment to prevent inundations; a levee.