Lap"pet (?), n. [Dim. of lap a fold.] A small decorative fold or flap, esp. of lace or muslin, in a garment or headdress. Swift.

Lappet moth (Zoöl.), one of several species of bombycid moths, which have stout, hairy caterpillars, flat beneath. Two common American species (Gastropacha Americana, and Tolype velleda) feed upon the apple tree.

Lap"pet, v. t. [imp. & p. p. Lappeted; p. pr. & vb. n. Lappeting.] To decorate with, or as with, a lappet. [R.] Landor.