Search Result for "playback": 
Wordnet 3.0

NOUN (2)

1. the act of reproducing recorded sound;
- Example: "he was allowed to hear the playback of his testimony"

2. electronic equipment comprising the part of a tape recorder that reproduces the recorded material; 



WordNet (r) 3.0 (2006):

playback
    n 1: the act of reproducing recorded sound; "he was allowed to
         hear the playback of his testimony"
    2: electronic equipment comprising the part of a tape recorder
       that reproduces the recorded material