From The Collaborative International Dictionary of English v.0.48:
compact disk player \com"pact disk` play"er\(k[o^]m"p[a^]kt d[i^]sk` pl[=a]"[~e]r), n. an electronic device containing a laser, used to read or play back the data on a compact disk. The term is usually used for the type of device used to play music recordings. That used for data storgage n coputer applications is usually called a CD drive. Called also CD player and informally, CD.
Syn: CD player. [PJC]
From The Collaborative International Dictionary of English v.0.48:
Cd \Cd\ n. 1. the chemical suymbol for cadmium, a metallic element of atomic number 48.
Syn: cadmium. [WordNet 1.5]
2. the abbreviation for the candela, the basic unit of luminous intensity adopted under the System International d'Unites. [abbr.]
Syn: candle, candela, standard candle. [WordNet 1.5]
From The Collaborative International Dictionary of English v.0.48:
CD \CD\ n. 1. an acronym for compact disk, a disk-shaped recording of binary data that is smaller than a phonograph record, and is recorded and played back by a compact disk player, an electronic device containing a laser. The term is also used generically to refer to the medium as a data storage medium.
Syn: compact disc, compact disk. [WordNet 1.5 +PJC]
2. a compact disk player. [informal] [PJC]
3. an acronym for certificate of deposit, a debt instrument issued by a bank for a fixed time period, usually paying interest.
Syn: certificate of deposit. [WordNet 1.5]