from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See alula.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A tuft of feathers borne by the bony thumb-like structure in a bird's wing; alula.
from the GNU version of the Collaborative International Dictionary of English
- adj. three to five quill feathers on a small joint corresponding to the thumb in some mammalia; the alula.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. tuft of small stiff feathers on the first digit of a bird's wing
Sorry, no etymologies found.