\Front"let\, n. [OF. frontelet brow band, dim. of
frontel, frontal. See {Frontal}, n.]
1. A frontal or brow band; a fillet or band worn on the
   forehead.
         They shall be as frontlets between thine eyes.
                                               --Deut. vi. 8.
2. A frown (likened to a frontlet). [R. & Poetic]
         What makes that frontlet on? Methinks you are too
         much of late i' the frown.            --Shak.
3. (Zo["o]l.) The margin of the head, behind the bill of
   birds, often bearing rigid bristles.