bridgeboard

[ brij-bawrd, -bohrd ]

noun

1. a notched board serving as a string or carriage for a stair.

bridgeboard

/ ˈbrɪdʒˌbɔːd /

noun

1. a board on both sides of a staircase that is cut to support the treads and risers Also calledcut string

Word History and Origins

Origin of bridgeboard¹

First recorded in 1875–80; bridge ¹ + board