From WordNet (r) 2.0 (August 2003) [wn]:
mike
n : device for converting sound waves into electrical energy
[syn: microphone]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
mike \mike\ n. [shortened from microphone.]
A microphone, the device for converting sound waves into
electrical energy. [informal]
Syn: microphone.
[WordNet 1.5]
From The Free On-line Dictionary of Computing (19 Sep 2003) [foldoc]:
MIKE
Micro Interpreter for Knowledge Engineering