| LO | enclosure consisting of a section of canal that can be closed to control the water level |
|---|---|
| LO | a mechanism that detonates the charge of a gun |
| LO | a strand or cluster of hair |
| LO | become rigid or immoveable |
| LO | place in a place where something cannot be removed or someone cannot escape |
| LO | fasten with a lock |
| LO | keep engaged |
| LO | become engaged or intermeshed with one another |
| LO | hold in a locking position |
| LO | build locks in order to facilitate the navigation of vessels |
| LO | hold fast (in a certain state) |
| LO | pass by means through a lock in a waterway |