One who, or that which, winds; hence, a creeping or winding plant. [1913 Webster]
An apparatus used for winding silk, cotton, etc., on spools, bobbins, reels, or the like. [1913 Webster]
One in a flight of steps which are curved in plan, so that each tread is broader at one end than at the other; -- distinguished from flyer. [1913 Webster]
winder, v. t. & i. [Prov. E. winder a fan, and to winnow. . Cf. Winnow.].