(n.) = sewer ; sewer pipe ; drain ; gutter. Ex: They constructed many miles of sewer and can be seen as the true instigators of the 19th c. sanitary revolution. Ex: The architect's brief specifies that conduit (of sewer pipe size if possible) should be provided for electrical wiring with outlets placed in the ceiling every metre. Ex: Water can enter computer rooms from numerous sources: air conditioners; roof, floor, and wall leaks; backed-up floor drains; and fire sprinklers. Ex: Sampling for immature stages of mosquito was done weekly between May 1999 and January 2000 by straining them from the water in ravines and gutters. ---- * boca de alcantarilla = manhole. * tapa de alcantarilla = manhole cover.