lockage

1. (countable, uncountable)Materials for locks in a canal.

   a system of locks in a canal or waterway

2. (countable, uncountable)The works forming a canal lock or locks.

   passage through a lock in a canal or waterway

3. (countable, uncountable)A toll or fee paid for transporting a vessel through the locks of a canal.

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

4. (countable, uncountable)The use or transit of a canal lock.

5. (colloquial, countable, uncountable)A situation where things lock together.

6. (archaic, countable, uncountable)The total height difference (elevation and descent) made by the locks of a canal.

   1829, De Witt Clinton, a letter

   The entire lockage will be about fifty feet.

regular