| 释义 |
bridgeboard
bridge·board B0479500 (brĭj′bôrd′)n. A notched board at either side of a staircase that supports the treads and risers.bridgeboard (ˈbrɪdʒˌbɔːd) n (Building) a board on both sides of a staircase that is cut to support the treads and risers. Also called: cut string bridgeboard
bridgeboardA notched board that supports the treads and risers of wooden stairs. |