†(a) the sloping timber on or in which the ends of the steps of a wooden staircase are fixed; (b) (see quot. 1688); (c) a tree with steps in it to…

Technical uses. In plural. The boards which support the ends of the steps in a wooden staircase; cf. stringboard n. at string, n. compounds 2. Obs…

Joinery. A supporting timber or skirting in which the ends of the steps in a staircase are set. Obsolete.

Carpentry. (a) = stringboard n. at compounds 2; often with qualifying word or words. (b) = rough string n. at rough, adj. compounds 5a.

Architecture. A framework supporting the steps of a staircase.

(usually in plural) either of the two inclined pieces of timber supporting the steps of a wooden staircase.

(a) Building a board grooved to receive the ends of the steps in a staircase; †(b) a notched board placed in a channel to impede the flow of water…

one of the long supporting timbers on either side of a wooden staircase, into which the ends of the steps are set; = stringboard n. at string, n.…

Building, etc. A string-piece supporting a staircase.