Definition of "unipeg"

The balck[sic] and silver unipeg lands and folds his wings remebering[sic] the big earth drac.

1999 January 27, Twyligtsky, “Re: the inn”, in alt.mythology.mythic-animals‎ (Usenet), message-ID <[email protected]>

But, I think it will be too risky to try and steal horses, unipegs, pegasi, or unicorns. There are spells cast on the animals to keep track of them.

2004, Myles Brandon Hibbett, Zephyr Spheres and the Lost Spell, Lincoln: iUniverse, page 49

As she whistled the horse, which Aries said was a Unipeg, which was a combination of a Pegasus and a unicorn landed right there smack in front of Mary it just landed and stared her right in the eyes.

2011 October 24, Mercedes Burgos-Diaz, Meenah, the Mystical Princess of Zantel, Bloomington: iUniverse, page 20