- Treadboard
- Treadboard \Tread"board`\, n. [Arch.] See {Tread}, n., 5. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
The Collaborative International Dictionary of English. 2000.
Nosing — Nos ing, n. (Arch.) That part of the treadboard of a stair which projects over the riser; hence, any like projection, as the projecting edge of a molding. [1913 Webster] … The Collaborative International Dictionary of English