Definition of posthole in US English:

posthole

noun

  • 1A hole made in the ground, especially to receive the foot of a post in building a fence.

  • 2Archaeology. A hole dug to receive a post supporting a building or other structure.

Origin

Early 18th century; earliest use found in Richard Neve (fl. 1703–1726). From post + hole.

Pronunciation

posthole

/ˈpəʊsthəʊl/