IPA: /ˈkɔːrkˌbɔːrd/
KK: /ˈkɔrkˌbɔrd/
A board made of cork that is used for posting notes, messages, or pictures with pins or tacks.
She pinned her schedule to the corkboard in her office.
Corkboard is formed from "cork" (from Old French *cork*, meaning the outer bark of the cork oak tree) and "board" (from Old English *bord*, meaning a flat piece of wood). The word refers to a board made from cork material, used for pinning notes or messages.
Think of the outer bark of a tree ('cork') being used as a flat surface ('board') to hold notes or reminders.