ditch

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ditch

1. a narrow channel dug in the earth, usually used for drainage, irrigation, or as a boundary marker
2. any small, natural waterway
3. Irish a bank made of earth excavated from and placed alongside a drain or stream
4. Informal either of the gutters at the side of a tenpin bowling lane

ditch

[dich]
(civil engineering)
A small artificial channel cut through earth or rock to carry water for irrigation or drainage.
A long narrow cut made in the earth to bury pipeline, cable, or similar installations.
(petroleum engineering)
On a drilling rig, a mudflow trench leading from the conductor-pipe outlet.