Definition of lockage
1a : an act or the process of passing something (as a boat) through a lock b : something passed or passing through a lock; especially : the quantity (as of logs) that can be locked at one time
2 : the construction of a system of locks (as in a canal); also : a system of locks
3 : toll paid for passing through a lock or locks (as of a canal)
4 : the vertical distance through which a boat is raised or lowered in passing through a lock or series of locks; also : the volume of water involved in the process
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Origin and Etymology of lockage
2lock + -age
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