Belonging to, represented by, or otherwise pertaining to a labour union.

A type of cycle that has only one wheel and is powered by pedals; it is most often used by acrobats.

To travel or move around by unicycle.

Not identified; having an unknown or unnamed identity.

A mythical beast resembling a horse or deer with a single, straight, spiraled horn projecting from its forehead.

(sexual slang) To participate in a sexual threesome as a bisexual addition to an established heterosexual couple.

Having one horn.

A durational pattern which occupies a period of time equal to a pulse or pulses on an underlying metric level.

(US, military) The code of military law written for the use of the United States Armed Forces.

(astronomy) 149,597,870,700 metres, the approximate mean distance from the Earth to the Sun (the semi-major axis of Earth's orbit), (symbol AU), used to measure distances in the solar system.