'stereo' definitions:

Definition of 'stereo'

(from WordNet)
adjective
Designating sound transmission from two sources through two channels [syn: stereophonic, stereo, two- channel]
noun
Reproducer in which two microphones feed two or more loudspeakers to give a three-dimensional effect to the sound [syn: stereo, stereophony, stereo system, stereophonic system]
noun
Two photographs taken from slightly different angles that appear three-dimensional when viewed together [syn: stereo, stereoscopic picture, stereoscopic photograph]

Synonyms of 'stereo'

From: Moby Thesaurus