What does lock mean?
lock
Definition
To fasten a moving part with a catch so that it cannot shift or come off until it is released.
Example sentences
If you don't lock the lid properly, the cooker won't even start.
If you don't lock the lid properly, the cooker won't even start.
I never manage to lock this lid on the first try, there's a knack to it.
I never manage to lock this lid on the first try, there's a knack to it.
Lock the wheels before you let go of the stroller, this street's on a slope.
Lock the wheels before you let go of the stroller, this street's on a slope.