RhymeZone: lappet definitions

Definitions of lappet:

noun: medium-sized hairy moths; larvae are lappet caterpillars
noun: a small lap on a garment or headdress
noun: a fleshy wrinkled and often brightly colored fold of skin hanging from the neck or throat of certain birds (chickens and turkeys) or lizards

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See lappet used in context: several books and articles.