The definition of a quay is a wharf or platform built into the water and used to load or unload ships or other sea vessels.(noun)
A concrete or stone dock for loading boats is an example of a quay.
See quay in Webster's New World College Dictionary
Origin: ME kei < MFr cai < Celt (as in Welsh cae & Bret kai, enclosure) < IE base *kagh-, to enclose > hedge: E sp. infl. by Fr quai (OFr cai), of same orig.
See quay in American Heritage Dictionary 4
Origin: Middle English keye
Origin: , from Old North French cai
Origin: , of Celtic origin.
Learn more about quay