MEANING: noun:
1. A mythical horse-like creature with a horn on the forehead.
2. Something or someone rare or unusual: highly desirable but hard or impossible to find.
3. A startup valued at one billion dollars or more.

ETYMOLOGY: From Latin unicornis, from uni- (single) + cornu (horn), ultimately from the Indo-European root ker- (horn, head), which also gave us cornucopia, carrot, cranium, cornea, cervix, and cancer. Earliest documented use: 1225.

UNICON - there's never been a scam like this before

U NICE, RN - Glad to have met you, Nurse

UNiCoRb - a semi-crystalline mixture of Uranium, Nickel, Cobalt, and Rubidium used to make superconducting magnets