1) Place for a tape 2) Recording device 
A cassette deck is a type of tape machine for playing and recording audio compact cassettes. Consumers electronics formerly used the term deck to distinguish them from a tape recorder, the `deck` being part of a stereo component system while a `tape recorder` was more portable and usually had a self-contained power amplifier (and often speaker...
[n] - a tape deck for playing and recording cassette tapes
noun a tape deck for playing and recording cassette tapes