1a. A fabled creature symbolic of virginity and usually represented as a horse with a single straight spiraled horn projecting from its forehead. b.Heraldry A representation of this beast, having a horse's body, a stag's legs, a lion's tail, and a straight spiraled horn growing from its forehead, especially employed as a supporter for the Royal Arms of Great Britain or of Scotland. 2.UnicornAstronomy The constellation Monoceros.
ETYMOLOGY:
Middle English unicorne, from Old French, from Late Latin nicornis, from Latin, having one horn : nus, one; see oi-no- in Appendix I + corn, horn; see ker-1 in Appendix I.
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n
-kôrn
nicornis, from Latin, having one horn : 
