Definitions
1.nounA mythical beast resembling a horse or deer with a single, straight, spiraled horn projecting from its forehead.
2.nounIn various Bible translations, used to render the Latin unicornis or rhinoceros (representing Hebrew רְאֵם): a reem or wild ox.
3.nounAny large beetle having a horn-like prominence on the head or prothorax, especially the Hercules beetle, Dynastes tityus.
4.nounA caterpillar, Schizura unicornis, with a large thorn-like spine on the back near its head.
5.nounThe kamichi, or unicorn bird.
6.nounA howitzer.
7.nounSomeone or something that is rare and hard to find.
8.nounBeing many (especially pastel) colours; multicoloured."unicorn smoothies"
9.nounA 15th-century Scottish gold coin worth 18 shillings, bearing the image of a unicorn.
10.verb(sexual slang) To participate in a sexual threesome as a bisexual addition to an established heterosexual couple.
11.verbTo exceed a valuation of one billion U.S. dollars, while solely backed by venture capitalists.