Dictionary
gon•o•po•di•um
Pronunciation: (gon"u-pō'dē-um), [key]—
n.,
—pl. -po•di•aPronunciation: (-pō'dē-u). [key]
Ichthyol.
the modified anal fin of a male poeciliid fish, serving as an organ of copulation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.