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pteryla

[ter-uh-luh]
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noun, plural pter·y·lae [ter-uh-lee, -lahy] /ˈtɛr əˌli, -ˌlaɪ/. Ornithology.
  1. one of the feathered areas on the skin of a bird.
Compare apterium.

Origin of pteryla

1865–70; < New Latin < Greek pter(ón) feather + hȳ́lē woods
Also called feather tract.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for pterylae

pteryla

noun plural -lae (-ˌliː)
  1. ornithol any of the tracts of skin that bear contour feathers, arranged in lines along the body of a bird

Word Origin

C19: from New Latin, from Greek pteron feather + hulē wood, forest
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012