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.
Meaning & usage
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.
In various Bible translations, used to render the Latin unicornis or rhinoceros (representing Hebrew רְאֵם): a reem or wild ox.
Certain animals: Any large beetle having a horn-like prominence on the head or prothorax, especially the Hercules beetle, Dynastes tityus.
Certain animals: A caterpillar, Schizura unicornis, with a large thorn-like spine on the back near its head.
Certain animals: The kamichi, or unicorn bird.
Certain animals: A Siberian unicorn, †Elasmotherium sibiricum.
Certain animals: An Asian unicorn, or saola, Pseudoryx nghetinhensis.
A howitzer.
Someone or something that is rare and hard to find.
Someone or something that is rare and hard to find. A single, usually bisexual woman who participates in swinging or polyamory.
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).
Someone or something that is rare and hard to find. 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.
Someone or something that is rare and hard to find. A fan with serious aspirations to become romantically involved with a VTuber (i.e., the streamer behind the avatar).
Being many (especially pastel) colours; multicoloured.
unicorn smoothies
A 15th-century Scottish gold coin worth 18 shillings, bearing the image of a unicorn.
Where this word comes from
From Middle English unicorne, unikorn, from Anglo-Norman unicorne, Old French unicorne, and their source, Latin ūnicornis, (from ūnus (“one”) + cornū (“horn”)), a calque of Ancient Greek μονόκερως (monókerōs, “having one horn”, (from μόνος (mónos, “one”) + κέρας (kéras, “horn”))). Displaced native Old English ānhorn, itself a calque of the Latin term. First attested in the early 13th c. * Other senses from either rarity (e.g., possessing multiple skills) or by physical resemblance to having a horn (e.g., howitzer). The finance sense was coined by American investor Aileen Lee and first used in a 2013 article.
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.
Where this word comes from
From Middle English unicorne, unikorn, from Anglo-Norman unicorne, Old French unicorne, and their source, Latin ūnicornis, (from ūnus (“one”) + cornū (“horn”)), a calque of Ancient Greek μονόκερως (monókerōs, “having one horn”, (from μόνος (mónos, “one”) + κέρας (kéras, “horn”))). Displaced native Old English ānhorn, itself a calque of the Latin term. First attested in the early 13th c. * Other senses from either rarity (e.g., possessing multiple skills) or by physical resemblance to having a horn (e.g., howitzer). The finance sense was coined by American investor Aileen Lee and first used in a 2013 article.
Having one horn.
Rare and hard to find.
Where this word comes from
From Middle English unicorne, unikorn, from Anglo-Norman unicorne, Old French unicorne, and their source, Latin ūnicornis, (from ūnus (“one”) + cornū (“horn”)), a calque of Ancient Greek μονόκερως (monókerōs, “having one horn”, (from μόνος (mónos, “one”) + κέρας (kéras, “horn”))). Displaced native Old English ānhorn, itself a calque of the Latin term. First attested in the early 13th c. * Other senses from either rarity (e.g., possessing multiple skills) or by physical resemblance to having a horn (e.g., howitzer). The finance sense was coined by American investor Aileen Lee and first used in a 2013 article.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.