\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} (Zo["o]l.), 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.