A species of fritillary, Fritillaria Meleagris, the petals of which are spotted like the guinea-fowl.(noun)
The Century Dictionary (Public Domain)
Use "guinea-hen" in a sentence
"Mr. Morris's grand group number in "The Hard Nut" is framed within Adrianne Lobel's inky darkness, outlined by sharp, white, pin-stripe edges and backed by a speckled expanse that suggests both the chill of a nighttime snowfall and the decorative pattern of guinea-hen feathers."
"Ere I would say, I would drown myself for the love of a guinea-hen, I would change my humanity with a baboon."
"Lewis had some fowls, and among them was a particularly pestiferous guinea-hen that used to get up at three in the morning and go around making the kind of a noise that a guinea-hen must like and is willing to get up early to hear."