lockbox /; AmE / noun [C] (AmE)

1 [C]

a strong box with a lock that is used for keeping mail or valuable items safe

2 (also lockbox service) [U]

a bank or another business that receives a fee for dealing with payments sent to a company by mail

• fire escape
• fire extinguisher
• firefighting
• fire insurance
• firepower
• fire safety officer
• fire sale
• firewall
• firing line
• firm
• firmware
• first class
• first-generation
• first half
• first in, first out
• first-line manager
• first mover
• first order of business
• first refusal
• first-round financing
• first section
• first tier
• first-tier supplier
• first-time
• fiscal