noun
also rig·let ˈreglə̇t, chiefly Brit ˈrig-
( -s )
Etymology: French réglet reglet, straightedge, from Middle French reglet straightedge, from regle straightedge, rule (from Latin regula ) + -et — more at rule
1. : a flat narrow molding used in architecture chiefly to separate parts or members of compartments or panels or doubled, turned, and interlaced to form knots, frets, or other ornaments or to cover joints between boards : fillet , batten
2.
a. : a strip of wood less than type high and ranging in thickness from 3 point to 24 point or more used as spacing material in the makeup and lockup of type — compare furniture , lead IV 2e
b. : reglets or material for them