bridge·board

(brĭj′bôrd′)

A notched board at either side of a staircase that supports the treads and risers.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

bridgeboard

(ˈbrɪdʒˌbɔːd)

(Building) a board on both sides of a staircase that is cut to support the treads and risers. Also called: cut string

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Mentioned in

cut string

References in periodicals archive

My children had a whole bunch of fun playing "Bridgeboard." However, you need a bridgeboard to play this game.

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The cracking of bridgeboards popped in his ears like firecrackers, like gunfire, like a fist on a tight, leather punching bag.

Chief Sololoneet's Trading Post: Osley knew exactly where the undertow was as he dug his callused feet into the sandy Oconaluftee riverbed

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