a. 1998, Richard D. Bellacera, “Rich's Pegopedia”, in (Please provide the book title or journal name)[1]:
Cerapter the Winged Unicorn. The Greek name for a flying unicorn (Latin: Alicorn) combining the Greek words ceros meaning "horn" and pteros meaning "wing." (See: Alicorn, Unipeg).
2002, Erin Stevenson O'Connor, “"Kirin Cerapter" by Erin Stevenson O´Connor”, in Elfwood[2], retrieved 2012-10-11:
A cerapter is a winged, horned equine. Many also know them as alicorns or unisi or various other bastardizations of 'unicorn' and 'pegasus'. 'Cerapter' is the Greek word for such a critter, so this is what I use.