[ gahyd-bawrd, -bohrd ]
/ ˈgaɪdˌbɔrd, -ˌboʊrd /
a large board or sign, usually mounted on a post, giving directions to travelers.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for guideboard
There was no guideboard, and he could not remember by which road he had come.Bound to Rise|Horatio Alger