guideboard

noun

guideboard

noun

Etymology From guide + board.

1

A board, as upon a guidepost bearing road directions.

they cannot go astray so long as they carry their guideboard about with them - a delusion we often practise upon ourselves with our high and mighty reason1871, James Russell Lowell, My Study Windows:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.