Unicorn vs. Pegasus

A fabled creature symbolic of virginity and usually represented as a horse with a single straight spiral horn projecting from its forehead.

Greek Mythology A winged horse that with a stroke of his hoof caused the fountain Hippocrene to spring forth from Mount Helicon.

(Heraldry) A representation of this beast, having a horse's body, a stag's legs, a lion's tail, and a straight spiral horn growing from its forehead, especially employed as a supporter for the Royal Arms of Great Britain or of Scotland.

A constellation in the Northern Hemisphere near Aquarius and Andromeda.

Unicorn The constellation Monoceros.

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

Something that is greatly desired but difficult or impossible to find

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.

(Business) A startup company valued at one billion dollars or more.

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

A mythical beast resembling a horse or deer with a single, straight, spiraled horn projecting from its forehead.

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.

(historical) In various Bible translations, used to render the Latin rhinoceros (representing Hebrew ):}} a reem or wild ox.

(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

Any large beetle having a horn-like prominence on the head or prothorax, especially the Hercules beetle, Dynastes tityus.

A constellation in the northern hemisphere near Andromeda and Pisces

A caterpillar, Schizura unicornis, with a large thorn-like spine on the back near its head.

The kamichi, or unicorn bird.

(military) A howitzer.

Someone or something that is rare and hard to find.

A single, usually bisexual woman who participates in swinging or polyamory.

(business) A person with multidisciplinary expertise, especially three or more skills in a young field such as UX design or data science (e.g., domain knowledge, statistics, and software engineering).

(finance) A startup company whose valuation has exceeded one billion U.S. dollars, which is solely backed by venture capitalists, and which has yet to have an IPO.

(attributive) Being many (especially pastel) colours; multicoloured.

(historical) A 15th-century Scottish gold coin worth 18 shillings, bearing the image of a unicorn.

(sexual slang) To participate in a sexual threesome as a bisexual addition to an established heterosexual couple.

(finance) To exceed a valuation of one billion U.S. dollars, while solely backed by venture capitalists.

Having one horn.

A fabulous animal with one horn; the monoceros; - often represented in heraldry as a supporter.

A two-horned animal of some unknown kind, so called in the Authorized Version of the Scriptures.

Any large beetle having a hornlike prominence on the head or prothorax.

The kamichi; - called also unicorn bird.

A howitzer.

An imaginary creature represented as a white horse with a long horn growing from its forehead