dict is a client for the Dictionary Server Protocol (DICT)
RFC 2229

$dict ls
2 definitions found

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (January 2014) [vera]:

  LS
         LAN Server (IBM)
         

From The Free On-line Dictionary of Computing (20 July 2014) [foldoc]:

  ls
  
     1.  The {Unix} command for listing a
     {directory}.
  
     {Unix manual page}: ls(1).
  
     2.  The {country code} for Lesotho.
  
     (2000-03-18)
  
$dict cd
10 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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 [gcide]:

  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 [gcide]:

  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]

From WordNet (r) 3.0 (2006) [wn]:

  cd
      adj 1: being one hundred more than three hundred [syn: {four
             hundred}, {400}, {cd}]
      n 1: a soft bluish-white ductile malleable toxic bivalent
           metallic element; occurs in association with zinc ores
           [syn: {cadmium}, {Cd}, {atomic number 48}]
      2: the basic unit of luminous intensity adopted under the
         Systeme International d'Unites; equal to 1/60 of the luminous
         intensity per square centimeter of a black body radiating at
         the temperature of 2,046 degrees Kelvin [syn: {candle},
         {candela}, {cd}, {standard candle}]
      3: a debt instrument issued by a bank; usually pays interest
         [syn: {certificate of deposit}, {CD}]
      4: a digitally encoded recording on an optical disk that is
         smaller than a phonograph record; played back by a laser
         [syn: {compact disk}, {compact disc}, {CD}]

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (January 2014) [vera]:

  CD
         Carrier Detect (MODEM, RS-232)
         

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (January 2014) [vera]:

  CD
         Change Directory (DOS, Unix, OS/2)
         

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (January 2014) [vera]:

  CD
         Committee Draft (ISO)
         

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (January 2014) [vera]:

  CD
         Compact Disk (CD)
         

From The Free On-line Dictionary of Computing (20 July 2014) [foldoc]:

  cd
  
     1.  {change directory}.
  
     2.  The {country code} for the Democratic Republic
     of the Congo (formerly Zaire, {zr}).
  
     (1999-01-27)
  

From The Free On-line Dictionary of Computing (20 July 2014) [foldoc]:

  Compact Disc
  CD
  
      (CD) (Not "disk", this spelling is part of the
     standard).
  
     A 4.72 inch disc developed by {Sony} and {Philips} that can
     store, on the same disc, still and/or moving images in
     monochrome and/or color; stereo or two separate sound tracks
     integrated with and/or separate from the images; and digital
     program and information files.
  
     The same fabrication process is used to make both audio CDs
     and {CD-ROMs} for storing computer data, the only difference
     is in the device used to read the CD (the player or drive).
  
     {CD Information Center
     (http://cd-info.com/cd-info/CDInfoCenter.html)}.
  
     (1999-06-23)
  
$