goalpost

or goal post

[ gohl-pohst ]
/ ˈgoʊlˌpoʊst /

noun

a post supporting a crossbar and, with it, forming the goal on a playing field in certain sports, as football.

Origin of goalpost

First recorded in 1855–60

British Dictionary definitions for goalpost

goalpost
/ (ˈɡəʊlˌpəʊst) /

noun

either of two upright posts supporting the crossbar of a goal
move the goalposts to change the aims of an activity to ensure the desired results