The Collaborative International Dictionary of English v.0.48:

Quayage \Quay"age\, n. [F.]
   Wharfage. [Also keyage.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

quayage
    n 1: a fee charged for the use of a wharf or quay [syn:
         wharfage, quayage]