noun pl. pterylae
Origin: ModL < pter(o)- + Gr hylē, forest
See pteryla in American Heritage Dictionary 4
noun pl. pter·y·lae (-lēˌ, -līˌ)
Origin:
Origin: New Latin
Origin: : Greek pteron, wing, feather; see -pter
Origin: + Greek hūlē, forest, matter
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