lock·​age | \ -kij, -kēj \
plural -s

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

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for lockage

lock entry 2 + -age

Learn More About lockage

Dictionary Entries Near lockage



lockaid gun

See More Nearby Entries 

Statistics for lockage

Cite this Entry

“Lockage.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lockage. Accessed 5 Dec. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!