{i} narrow opening through which water flows into an area of land, narrow arm of the sea, recessed area along a shoreline; narrow passage between islands; entrance
A recess, such as a bay or cove, along a coast A stream or bay leading inland, as from the ocean; an estuary Also, a narrow passage of water, as between tow islands A drainage passage, as to a culvert ADVANCE \x 540
A passage by which an inclosed place may be entered; a place of ingress; entrance
Orifice that allows a material or substance to be delivered to a given point within a device
1 A surface connection to a closed drain 2 A structure at the diversion end of a conduit 3 The upstream end of any structure through which water may flow