the fixed lower member of a pair of millstones.Compare runner(def 12).
Words nearby bed stone
Origin of bed stone
First recorded in 1715–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Examples from the Web for bed stone
It was made of two circular stones, the lowest of which was called the bed-stone, the upper one the runner.Life & Times of Col. Daniel Boone|Cecil B. Hartley