quay·age \-ij, -ēj\noun (-s) Etymology: alteration (influenced by French quayage, from Old French caiage) of earlier keyage, from Middle English, from Middle French caiage, from Old French, from cai quay + -age 1.: a charge for use of a quay : quay dues : wharfage 2.: room on or for quays < the total quayage of the port > 3.: a system of quays < reconstructed their harbor quayage >