Alicorn vs. Pegasus

The horn of a unicorn considered as a medical or pharmacological ingredient.

(nonstandard) A mythological creature, a mixture of pegasus and unicorn: a winged horse with a single horn on its head.

A winged horse (imaginary or mythical, sometimes figurative).

A winged horse fabled to have sprung from the body of Medusa when she was slain. He is noted for causing, with a blow of his hoof, Hippocrene, the inspiring fountain of the Muses, to spring from Mount Helicon. On this account he is, in modern times, associated with the Muses, and with ideas of poetic inspiration.

Example: ‘Each spurs his jaded Pegasus apace.’;

A northen constellation near the vernal equinoctial point. Its three brightest stars, with the brightest star of Andromeda, form the square of Pegasus.

A genus of small fishes, having large pectoral fins, and the body covered with hard, bony plates. Several species are known from the East Indies and China.

(Greek mythology) 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 high-flying imagination

a constellation in the northern hemisphere near Andromeda and Pisces

Pegasus (Greek: Πήγασος, Pḗgasos; Latin: Pegasus, Pegasos) is a mythical winged divine horse, and one of the most recognized creatures in Greek mythology. Usually depicted as pure white, Pegasus is the offspring of the Olympian god Poseidon.