the world > space > relative position > condition of being open or not closed > an opening or aperture > [noun] > opening which may be passed through > gate or gateway > giving access to water-side (2)
A gate in the wall of a town, castle, etc., which opens onto a river or other body of water. Now historical.
A gate in the wall of a town, castle, etc., which opens onto a river or other body of water; = water gate, n.2 1. Also: the means by which a city…