the GNU version of the Collaborative International Dictionary of English
adj. Destitute of feathers.
The Century Dictionary and Cyclopedia
Without feathers; unfledged.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. having no feathers
Word Usage
"After all, the defining human characteristic is not compassion or the ability to walk upright or our vague mistrust of the Prudential lady or even the notion that we are featherless bipeds possessing a soul."