Definition of prick post in English:

prick post

noun

Building
historical
  • Any of various upright posts (usually one of two or more placed between the principal posts) which help bear the weight in a timber-framed building.

Origin

Late 16th century; earliest use found in William Harrison (1535–1593), historian and topographer. From prick + post.

Pronunciation

prick post

/ˈprɪk pəʊst/