rare. [f. KEEL sb.1 + -AGE; in med.L. killagium.] A toll or due payable by a ship on entering or anchoring in a harbor.
[1409. in Rymer Fœdera, VIII. 573. Capit ibi Killagiuim, scilicet de qualibet Navi cum Batello applicante ibi, Octo Denarios [etc.].]
1679. Blount, Anc. Tenures, 146. Keelage, whereby he had by custom what is here expressed for the Keel of every ship, that came into his sea-port with a boat.
1685. Termes de la Ley, Keelage is a Custom paid at Hartlepool in Durham, for every Ship coming into that Port.
1825. Brockett, Keelage, keel dues in port.