Pegasus (mascot)
WordNet
noun
(1) A constellation in the northern hemisphere near Andromeda and Pisces
(2) (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