lockage

nouns

a fee charged for passage through a lock in a canal or waterway

lockage

is a type of (narrower)

a fixed charge for a privilege or for professional services

a system of locks in a canal or waterway

lockage

is derived from

is derived from

is a part of

long and narrow strip of water made for boats or for irrigation

is a type of (narrower)

instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity

"he bought a new stereo system"; "the system consists of a motor and a small computer"

passage through a lock in a canal or waterway

lockage

is derived from

is a type of (narrower)

a journey usually by ship

"the outward passage took 10 days"