IPA: //ˈbɛdˌpoʊst//
KK: /bɛdpoʊst/
A vertical support at the corner of a bed, often used to hold the bed frame or to attach a headboard.
She decorated the bedpost with ribbons for the wedding.
Bedpost → It is formed from "bed" (from Old English *bedd*, meaning a place for sleeping) and "post" (from Old French *poste*, meaning a vertical support). The word "bedpost" refers to a vertical support for a bed.
Think of a 'bed' as a place for sleeping and a 'post' as a support — together, a bedpost is a support for the bed.