1. A receptacle at the entrance to a sewer designed to keep out large or obstructive matter.2. A reservoir for collecting surface drainage or runoff.
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Storm drain — This article describes subterranean tunnels conveying runoff from urban streets. See Combined sewer for a description of early drainage systems designed to use storm runoff to flush sanitary and industrial wastes into natural waterways for… … Wikipedia
Infiltration gallery — An infiltration gallery is a structure used to supplement a storm sewer, by directing storm runoff from non road areas.While the catchbasins under sewer grates work well on swift flowing surfaces like asphalt and concrete, heavy storm water flow… … Wikipedia