Definify.com
Webster 1913 Edition
Bridgeboard
Bridge′boardˊ
,Noun.
1.
(Arch.)
A notched board to which the treads and risers of the steps of wooden stairs are fastened.
2.
A board or plank used as a bridge.
Definition 2024
bridgeboard
bridgeboard
English
Noun
bridgeboard (plural bridgeboards)
- (architecture) A notched board to which the treads and risers of the steps of wooden stairs are fastened.
- A board or plank used as a bridge.