pegasus

(noun) (Greek mythology) the immortal winged horse that sprang from the blood of the slain Medusa; was tamed by Bellerophon with the help of a bridle given him by Athena; as the flying horse of the Muses it is a symbol of highflying imagination. Synonyms: Pegasus.

(noun) a constellation in the northern hemisphere near Andromeda and Pisces. Synonyms: Pegasus.