stringboard
N กระดาน บัง ฐาน บันได แผ่น แคร่
STRINGBOARD
STRINGBOARD String "board `, n.
string board |ˈstriNGˌbôrd ˈstrɪŋbɔrd | ▶noun a board with which the ends of the steps in a staircase are covered.
string |board |ˈstrɪŋbɔːd | ▶noun a supporting timber or skirting in which the ends of the steps in a staircase are set. Also called stringer.