plural of universal product code

(aviation, of an aircraft) To enter, or remain in, a spin (abnormal stalled flight mode). / (aviation, of a pilot) To cause one's aircraft to enter or remain in a spin (abnormal stalled flight mode).

A bar-cum-restaurant.

Of, or relating to, algebra. / (mathematics, of an expression, equation, or function) Containing only numbers, letters, and arithmetic operators.