water passage

The form of the bore, or water passage, in tiles, is a point of more importance than at first appears.

In the early part of the sixteenth century it was rumored that a water passage traversed the southern part of South America.

This made it imperatively necessary for the young Lieutenant-Colonel to attempt to find a water passage down the Youghiogheny.

It is said by trustworthy people that if you explore them all you will find that you have covered 700 miles of water passage.

I was being carried down a subterranean outlet, through some water passage under the rock wall, and into the open sea.