(military) A type of military unit armed, equipped and trained to fight in rugged, mountainous terrain.

A unit of form, organization or arrangement of any size.

(trains) A locomotive with an engine, generator, and traction motors, but without a control cab.

An integrated set of furniture pieces (bookshelves, cabinet etc.) standing against the wall of a room.

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

(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.

(mathematics) the interval [0,1], that is the set of all real numbers x such that zero is less than or equal to x and x is less than or equal to one / (telecommunications) symbol duration time.

(informal, humorous, neologism) A period of six months

plural of unit fraction

A unit of measurement which is not itself defined in terms of other units, and from which other units may be derived. / The main unit of a computer or hi-fi system.