lock · v
lock sth away/in, etc.
C2 to put something or someone in a place or container that is fastened with a key
Dictionary examples:
The jewelry is locked away in a safe. (28.4)
He locked the documents in his filing cabinet. (63.6)
lock
B1 to fasten something with a key, or to be fastened with a key
Dictionary examples:
She locked her TV remote to prevent binge-watching during exam week. (0.0)
He locked his phone in the fridge to avoid social media addiction. (0.0)
I locked my textbooks in a safe during summer vacation. (0.0)
Don't forget to lock the door when you go out. (40.7)
If you shut the door, it will lock automatically. (43.2)