The phrase "to lock the box" means to securely close and fasten a container or storage area with a lock so that it cannot be opened or accessed without permission. Full definition
Still others would create a task force on firearms, require guns be stored in locked box and require only child - proof weapons be sold. (nystateofpolitics.com)
It would have been like ordering thousands of lock boxes for members without the means of opening them. (remonline.com)
For general information on the placement of lock boxes on properties listed for sale or rental it is imperative to review the specific terms and conditions of each listing service. (state.nj.us)