stringboard

[ string-bawrd, -bohrd ]
/ ˈstrɪŋˌbɔrd, -ˌboʊrd /

noun

a board or facing covering the ends of the steps in a staircase.

Origin of stringboard

First recorded in 1695–1705; string + board

British Dictionary definitions for stringboard

stringboard
/ (ˈstrɪŋˌbɔːd) /

noun

a skirting that covers the ends of the steps in a staircase Also called: stringer