IPA: /ˈlæpˌbɔːrd/
KK: /ˈlæpˌbɔrd/
A flat board that you place on your lap to use as a table or desk for writing or working.
She used a lapboard to write her notes comfortably while sitting on the couch.
Lapboard → The word is formed from "lap" (from Old English *læppa*, meaning the upper part of the legs when seated) and "board" (from Old English *bord*, meaning a flat piece of wood or material). A lapboard is a flat surface designed to rest on one's lap, typically used for writing or working.
Think of resting a flat piece of wood ('board') on your legs ('lap') — that's what a lapboard is used for.