- (zoology) A wattle or flap-like structure on the face.
"Tompot blennies are distinguished by a pair of lappets above the eyes and dark stripes along the body."
- A small decorative fold or flap, especially of lace or muslin, in a garment or headdress.
"Some vultures have lappets of bare flesh on the sides of the head."
- (transitive) To decorate with, or as if with, lappets.