IPA: /ˈkæʃbɒks/
KK: /ˈkæʃˌbɑks/
A container used to store money, often found in businesses or homes.
The cashier opened the cashbox to give change to the customer.
Cashbox → The word is formed from "cash" (from Middle French *caisse*, meaning a box or chest for money) and "box" (from Old English *box*, meaning a container). A cashbox is a container specifically designed to hold cash or money.
Think of a 'box' that holds 'cash' — that's why a cashbox is a container for money.