posthole

[ pohst-hohl ]
/ ˈpoʊstˌhoʊl /
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noun

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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