Rĕg'let, n.

n. [Fr. réglet, diminutive of règle, a rule; Lat. regula. See RULE.]

1. (Arch.) A flat, narrow molding, used chiefly to separate the parts or members of compartments or panels from one another, or to form knots, frets, or other ornaments. Gwilt.
2. (Print.) A strip of wood, exactly planed, and of the height of a quadrat, used as a thin sort of furniture, or instead of a lead, to make the work more open. It is of various degrees of thickness, and is designated by the size of type that it matches; as, pica reglet, and the like.

☞ The term is also sometimes applied to leads.