1. (n.) A ditch; a channel for water made by digging.

2. (n.) An embankment to prevent inundations; a levee.

3. (n.) A wall of turf or stone.

4. (n.) A wall-like mass of mineral matter, usually an intrusion of igneous rocks, filling up rents or fissures in the original strata.

5. (v. t.) To surround or protect with a dike or dry bank; to secure with a bank.

6. (v. t.) To drain by a dike or ditch.

7. (v. i.) To work as a ditcher; to dig.

Autobahn US highway abatis abysm abyss advanced work alley alleyway aqueduct arch dam arroyo arterial arterial highway arterial street artery artificial lake autoroute autostrada avenue backstop balistraria bamboo curtain bank banquette bar barbed-wire entanglement barbican barrage barricade barrier bartizan bastion battlement bayou lake bear-trap dam beaver dam belt highway blind alley boom bore boulevard box canyon breach break breakwater breastwork brick wall buffer bulkhead bulwark burrow bypass byway camino real canal canalization canalize canyon carriageway carve casemate causeway causey cavity chamfer channel chap chasm chaussee check cheval-de-frise chimney chink chisel chute circumferential circumvallation cistern cleft cleuch close clough cofferdam col contravallation corduroy road corrugate coulee couloir counterscarp country rock county road court crack cranny crescent crevasse crevice crimp cul-de-sac curtain cut cwm dado dam dead water dead-end street defense defile dell delve demibastion deposit dig dig out dirt road ditch donga draw drawbridge dredge drill drive driveway earthwork embankment enclosure engrave entanglement entrenchment escarp escarpment etang excavate excavation expressway farm pond fault fence fieldwork fishpond fissure flaw flume flute fortalice fortification fosse fracture freeway freshwater lake furrow gangue gap gape gash gate glacial lake glacis goffer gorge gouge gouge out gravel road gravity dam groin groove grub gulch gulf gully gutter ha-ha highroad highway highways and byways hole hydraulic-fill dam incise incision inland sea interstate highway iron curtain jam jetty joint kennel kloof lagoon laguna lake lakelet landlocked water lane leak leaping weir levee linn local road loch lode lodestuff logjam loophole lough lower lunette machicolation main drag main road mantelet matrix mere merlon mews milldam millpond millpool mine mineral deposit moat mole motorway mound notch nullah nyanza opening ore bed outwork oxbow lake palisade parados parapet parkway pass passage pave paved road pay dirt pike place plank road plash pleat plow pond pondlet pool portcullis postern gate primary highway private road puddle