Pronunciation: (pen'un), [key]
1. a distinctive flag in any of various forms, as tapering, triangular, or swallow-tailed, formerly one borne on the lance of a knight.
2. a pennant.
3. any flag or banner.
4. a wing or pinion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.