/ Dictionary / Index P pinfeather: Meaning and Definition of Find definitions for: pin•feath•er Pronunciation: (pin'fe"ur), [key] — n. Ornith. an undeveloped feather before the web portions have expanded. a feather just coming through the skin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. piney pinfire Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language