Definitions from Wiktionary ( )

▸ noun:  A mythical beast resembling a horse or deer with a single, straight, spiraled horn projecting from its forehead.
▸ noun:  (historical) In various Bible translations, used to render the Latin unicornis or rhinoceros (representing Hebrew רְאֵם): a reem or wild ox.
▸ noun:  Any large beetle having a horn-like prominence on the head or prothorax, especially the Hercules beetle, Dynastes tityus.
▸ noun:  A caterpillar, Schizura unicornis, with a large thorn-like spine on the back near its head.
▸ noun:  The kamichi, or unicorn bird.
▸ noun:  (military) A howitzer.
▸ noun:  Someone or something that is rare and hard to find.
▸ noun:  (sexual slang) A single, usually bisexual woman who participates in swinging or polyamory.
▸ noun:  (business) 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).
▸ noun:  (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.
▸ noun:  (attributive) Being many (especially pastel) colours; multicoloured.
▸ noun:  (historical) A 15th-century Scottish gold coin worth 18 shillings, bearing the image of a unicorn.
▸ verb:  (sexual slang) To participate in a sexual threesome as a bisexual addition to an established heterosexual couple.
▸ verb:  (finance) To exceed a valuation of one billion U.S. dollars, while solely backed by venture capitalists.
▸ adjective:  Having one horn.

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