Quay
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
A wharf for the loading or unloading of goods carried in ships. This word is sometimes spelled "key." The popular and commercial signification of the word "quay" involves the notion of a space of ground appropriated to the public use ; such use as the convenience of commerce requires.
New Orleans v. U. S., 10 Pet. 662, 715, 9 In Eld. 573.