tideway

noun

tideway

noun

Etymology From tide + way.

1

A channel in which the tide sets, especially in the tidal part of a river.

Quite near could also be seen several ancient wooden warships, and always a variety of craft slipping up and down the tideway.1951 October, R. S. McNaught, “Lines of Approach”, in Railway Magazine, page 705:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.