Ornithology any of the special areas on a bird's skin from which feathers grow
Origin of pterylaModern Latin from pter(o)- + Classical Greek hyl?, forest
An area on the skin of a bird from which feathers grow.
Origin of pterylaNew LatinGreek pteron wing, feather ; see -pter . Greek hūlē forest, matter
(plural pterylas or pterylae)
New Latin, from Ancient Greek.