unicorn

A mythical, horselike creature with a horn on its forehead, supposed to be extremely rare and to be drawn to virgins and other chaste maidens.

Someone or something that is rare and hard to find.

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

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.

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

[before a noun] Being many (especially pastel) colours; multicoloured.

Certain animals.

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

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

The kamichi, or unicorn bird.

A Siberian unicorn, †Elasmotherium sibiricum.

An Asian unicorn, or saola, Pseudoryx nghetinhensis.

A fan with serious aspirations to become romantically involved with a VTuber (i.e., the streamer behind the avatar).

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

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

A howitzer.

Having one horn.

Rare and hard to find.

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

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