lock%20down

verb

1. 1

   To secure; make people stay locked indoors for their safety

   “Police have the area locked down until the situation is all-clear.”

2. 2

   To limit the use of a computer network to only users with permission

3. 3

   To make an arrangement secure, definite, or permanent; fix

4. 4

   To cause another to enter into an exclusive romantic relationship

   “It took me some time, but I finally locked her down.”