Definify.com
Webster 1913 Edition
Guideboard
Guide′boardˊ
,Noun.
A board, as upon a guidepost having upon it directions or information as to the road.
Lowell.
Definition 2024
guideboard
guideboard
English
Noun
guideboard (plural guideboards)
- A board, as upon a guidepost bearing road directions.
- (Can we find and add a quotation of Lowell to this entry?)