what is a streamer

[cfg]

Hello,
I know that a DAC converts digital signal in analogic signal (from computer to amplifier)

My question is: what is a streamer?

Sorry for my poor English.

Thank you,
CFG

ampl: Rega Brio (1993)
Speaker: Castel trent (1993)
CD: Atoll CD80 (2012)
vinyl: Thorens

Computer: MAC PRO (2009)

[blackraven]

Here is some info-

What is Streaming Music – A Definition of Streaming Audio (http://mp3.about.com/od/digitalmusicfaq/f/StreamingmusicFAQ.htm)

The Audiophile's Guide to Streaming Music | TechHive (http://www.techhive.com/article/152581/music_streaming_guide.html)

Digital media receiver - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Digital_media_receiver)

What is a Media Streamer and Is it the Same as a Network Media Player? (http://hometheater.about.com/od/internethometheater2/a/What-Is-A-Media-Streamer.htm)