IPA: /ˈsaɪnˌbɔrd/
KK: /ˈsaɪnˌbɔrd/
A flat surface that displays information, such as a message or advertisement, often placed in public areas.
The restaurant put up a new signboard to attract more customers.
Signboard → It is formed from "sign" (from Latin "signum", meaning mark or symbol) and "board" (from Old English "bord", meaning a flat piece of wood). The word "signboard" refers to a flat piece of wood that displays a mark or symbol, typically used for advertising or information.
Think of a 'mark' or 'symbol' ('sign') displayed on a flat piece of wood ('board') — that's what a signboard is used for.