An opening, road, or track, available for passing; especially, one through or over some dangerous or otherwise impracticable barrier such as a mountain range; a passageway; a defile; a ford.
2
A channel connecting a river or body of water to the sea, for example at the mouth (delta) of a river.
the passes of the Mississippi
3
A single movement, especially of a hand, at, over or along anything.
4
A single passage of a tool over something, or of something over a tool.