Definition of post and rail in US English:

post and rail

noun

  • 1An open wooden fence, consisting of posts and rails only; materials for constructing such fencing.

  • 2Post-and-rail tea.

Origin

Mid 17th century. From post + and + rail.

Pronunciation

post and rail

/ˌpəʊst (ə)n(d) ˈreɪl/