Frȯnt'let, n.

n. [Eng. front and the diminutive termination let, q. v.; O. Eng. frountelle.] 1. A frontal or brow-band; a fillet or band worn on the forehead; hence, a frowning brow. What makes that frontlet on? Methinks you are too much i' the frown. Shak. 2. (Ornith.) The margin of the head, behind the bill, of birds, generally clothed with rigid bristles.