Lappet n. : A small decorative fold or flap, esp, of lace or muslin, in a garment or headdress.

Lappet v. t. : To decorate with, or as with, a lappet.

Example:
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Taxonomy
lappets, Lappet, mitre, tiara, bishop's mitre, papal tiara, free encyclopedia, neck, flap, animals, cloth, popes, headband, headgear, search, lady, fold, ceremonial headdress.

Defination from the web:
lappet is a decorative flap or fold in a ceremonial headdress or garment. They were a feature of women's headgear until the early 20th century. ... For instance, the Lappet-faced vulture has lappets of bare flesh on the sides of its head. This article does not cite any references or sources. ...