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 ]
[すりつける;こすりつける(擦り付ける;擦りつける;擦付ける), suritsukeru ; kosuritsukeru ( suri tsukeru ; suri tsukeru ; satsu tsukeru )] (v1, vt) (1) to rub against; to nuzzle against (e.g. dog nosing a person); (2) to strike (a match)