from The Century Dictionary.
- Downy; of or pertaining to a plumule; in ornithology, not pennaceous. See
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Zoöl.) Downy; bearing down.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective zoology
Downy; bearing down.
Sorry, no etymologies found.
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Together the results favor an evolutionary sequence of feather filaments splitting to form primitive barbs without barbules - radially symmetric downy feathers with plumulaceous barbs- bilaterally symmetric plumulaceous feathers - bilaterally symmetric pennaceous vanes - bilaterally asymmetric vanes Fig.
fbharjo commented on the word plumulaceous
a caring carousel
March 30, 2012