Definition of jettage in US English:

jettage

noun

Yorkshire, English Regional
rare, historical
  • At the port of Kingston-upon-Hull: dues levied on a vessel for the use of a jetty or pier.

Origin

Mid 18th century. From jett- + -age, after wharfage, cranage, etc.

Pronunciation

jettage

/ˈdʒɛtɪdʒ/