Obs. [f. CHAIN sb. + -AGE; cf. F. chaînage.] a. A fastening with a chain; chaining. b. ? A fee due for the use of mooring-chains, etc., in a harbor.
1611. Cotgr., Enchainure, a chayning chaynage.
1691. T. H[ale], Acc. New Invent., p. 95. The Chainage of Ships belongs to the Admiral.