noun pter·y·la \ˈter-ə-lə\
plural pter·y·lae\-ˌlē, -ˌlī\

Definition of PTERYLA

:  one of the definite areas of the skin of a bird on which feathers grow

Origin of PTERYLA

New Latin, from Greek pteron + hylē wood, forest
First Known Use: 1867


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