Definitions
There are 2 meanings of the phrase
Lock Up.
Lock Up - as a verb
Example Sentences
"Please remember to lock up the house before you leave."
"The police had to lock up the suspect for his own safety."
"Don't forget to lock up your bike when you park it outside."
"They decided to lock up the office for the weekend."
"The prison guards lock up the prisoners in their cells for the night."