Lock chamber and Lock-chamber

Lock chamber noun - Enclosure consisting of a section of canal that can be closed to control the water level; used to raise or lower vessels that pass through it.

Lock-chamber and lock chamber are semantically related. In some cases you can use "Lock-chamber" instead a noun phrase "Lock chamber".

Lock chamber and lock-chamber are semantically related. Sometimes you can replace phrase "Lock chamber" with "Lock-chamber", this phrases are similar.