a hole dug in the earth for setting in the end of a post, as for a fence.
Archaeology. an excavated hole showing by its shape and by the remains of wood or other debris that it was once filled by a post.

Origin of posthole

First recorded in 1695–1705; post1 + hole Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for posthole

Historical Examples of posthole

  • The sides of this, as of all of them, large or small, were as smooth and hard as if made with a posthole digger or a boring tool.