- one of the feathered areas on the skin of a bird.
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
- ornithol any of the tracts of skin that bear contour feathers, arranged in lines along the body of a bird
C19: from New Latin, from Greek pteron feather + hulē wood, forest