A phreaking device that generates tones to simulate the insertion of coins into a payphone, thus enabling the user to make illegitimate free calls.

plural of bitty box

plural of box joint

Synonym of finger joint

plural of toe box

Alternative form of shruti box

(music) A musical instrument resembling a harmonium, used to provide a droning accompaniment in Indian classical music.

plural of sruti box

plural of shruti box

a method of transferring load between joists to enable a cutout of a joist to allow for a plumbing run, by having doubled-up cross-joists to run between the two adjacent joists of the severed joist at each side of the cut