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.

( initial capital letter ) Astronomy . the constellation Monoceros.

an animal mentioned in the Bible, Deut. 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.