- a mythical creature resembling a horse, with a single horn in the center of its forehead: often symbolic of chastity or purity.
- a heraldic representation of this animal, in the form of a horse with a lion's tail and with a long, straight, and spirally twisted horn.
- the constellation Monoceros.
- an animal mentioned in the Bible, Deuteronomy 33:17: now believed by some to be a description of a wild ox or rhinoceros.
- a former gold coin of Scotland, first issued by James III in 1486, having an obverse bearing the figure of a unicorn.
- a relatively new company, usually less than ten years old, that is valued at $1 billion or more by public or private investors.
- a person or thing that is rare and highly valued, or is a hypothetical ideal: Hiring unicorns is expensive, but their productivity can take your enterprise to the next level.Finding jeans that are comfortable and fashionable—that’s my unicorn.
- a bisexual woman who joins an established heterosexual couple in a sexual encounter or relationship.
- to pursue an unattainable object or impossible goal, especially when diverting effort or resources away from an existing commitment or practical plan.
- an imaginary creature usually depicted as a white horse with one long spiralled horn growing from its forehead
- a two-horned animal, thought to be either the rhinoceros or the aurochs (Deuteronomy 33:17): mistranslation in the Authorized Version of the original Hebrew
