(n): an audio system that can reproduce and amplify signals to produce sound
(n): two photographs taken from slightly different angles that appear three-dimensional when viewed together
(n): a representation of a person or scene in the form of a print or transparent slide; recorded by a camera on light-sensitive material
(adj): designating sound transmission from two sources through two channels
(adj): vs. monaural), biaural -- (relating to or having or hearing with two ears