IPA: /ˈɡeɪtˌpoʊst/
KK: /ˈɡeɪtˌpoʊst/
A vertical post that supports a gate or serves as a stopping point for it when closed.
The old gatepost was covered in ivy and looked very charming.
Gatepost → It is formed from "gate" (from Old English *geat*, meaning an opening or entrance) and "post" (from Old English *post*, meaning a vertical support). A gatepost is a vertical support that holds up a gate at an entrance or opening.
Think of a 'gate' as an 'opening' and a 'post' as a 'support' — together, a gatepost is the support that holds up the opening.
No commonly confused words.