- Pegasus⇄expr. mount (one's) Pegasus, to begin writing a poem.
Ex. Then he mounted the ... vulture-winged Pegasus of passion (Christina Stead). - Pegasus⇄Pegasus, noun,
(genitive) (def. 3) Pegasi.
1. (Greek Mythology.) a horse with wings, the steed of the Muses.
2. poetic genius; the means by which poets soar in the realms of poetry.
3. a constellation in the northern sky near An