corner post

1. 1.

   a square post supporting a structural member at the corner of a building

   Broaderpost

Questions about corner post

What does corner post mean?

corner post means "a square post supporting a structural member at the corner of a building".

Is corner post a common word?

corner post is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.