A passage (a pipe or tunnel) through which water or electric wires can pass.

Roget 295: egress, exit, issue; emersion, emergence; outbreak, outburst; eruption, proruption^†; emanation; egression; evacuation; exudation, transudation; extravasation [Med.], perspiration, sweating, leakage, percolation, distillation, oozing; gush etc. (water in motion) 348; outpour, outpouring; effluence, effusion; effluxion^†, drain; dribbling etc. v.; defluxion^†; drainage; outcome, output; discharge etc. (excretion) 299.    export, expatriation; emigration, remigration^†; debouch, debouche; emunctory^†; exodus etc. (departure) 293; emigrant.    outlet, vent, spout, tap, sluice, floodgate; pore; vomitory, outgate^†, sally port; way out; mouth, door etc. (opening) 260; path etc. (way) 627; conduit etc. 350; airpipe etc. 351^†.    ... show more

Roget 302: passage, transmission; permeation; penetration, interpenetration; transudation, infiltration; endosmose exosmose^†; endosmosis [Chem]; intercurrence^†; ingress etc. 294; egress etc. 295; path etc. 627; conduit etc. 350; opening etc. 260; journey etc. 266; voyage etc. 267.    ... show more

Roget 294: ingress; entrance, entry; introgression; influx, intrusion, inroad, incursion, invasion, irruption; ingression; penetration, interpenetration; illapse^†, import, infiltration; immigration; admission etc. (reception) 296; insinuation etc. (interjacence) 228^†; insertion etc. 300.    inlet; way in; mouth, door, etc. (opening) 260; barway^†; path etc. (way) 627; conduit etc. 350; immigrant.    ... show more

Roget 350: conduit, channel, duct, watercourse, race; head race, tail race; abito^†, aboideau^†, aboiteau [Fr.], bito^†; acequia^†, acequiador^†, acequiamadre^†; arroyo; adit^†, aqueduct, canal, trough, gutter, pantile; flume, ingate^†, runner; lock-weir, tedge^†; vena^†; dike, main, gully, moat, ditch, drain, sewer, culvert, cloaca, sough, kennel, siphon; piscina^†; pipe etc. (tube) 260; funnel; tunnel etc. (passage) 627; water pipe, waste pipe; emunctory^†, gully hole, artery, aorta, pore, spout, scupper; adjutage^†, ajutage^†; hose; gargoyle; gurgoyle^†; penstock, weir; flood gate, water gate; sluice, lock, valve; rose; waterworks.    pipeline.    ... show more

Dutch: buis, pijp, leiding, kanaal