from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An area on the skin of a bird from which feathers grow.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. One of the areas of a bird's skin on which feathers grow.
from the GNU version of the Collaborative International Dictionary of English
- n. One of the definite areas of the skin of a bird on which feathers grow; -- contrasted with
from The Century Dictionary and Cyclopedia
- n. A feather-tract; one of the sets or clumps of feathers which are inserted in definite tracts or areas in the skin of a bird, separated by apteria, or places where no feathers grow.
New Latin : Greek pteron, wing, feather; see -pter + Greek hūlē, forest, matter.(American Heritage® Dictionary of the English Language, Fourth Edition)
New Latin, from Ancient Greek. (Wiktionary)