Source : Webster's Revised Unabridged Dictionary (1913)

Slav \Slav\, n.;pl. {Slavs}. [A word originally meaning,
   intelligible, and used to contrast the people so called with
   foreigners who spoke languages unintelligible to the Slavs;
   akin to OSlav. slovo a word, slava fame, Skr. [,c]ru to hear.
   Cf. {Loud}.] (Ethnol.)
   One of a race of people occupying a large part of Eastern and
   Northern Europe, including the Russians, Bulgarians,
   Roumanians, Servo-Croats, Slovenes, Poles, Czechs, Wends or
   Sorbs, Slovaks, etc. [Written also {Slave}, and {Sclav}.]

Slave \Slave\, n.
   See {Slav}.

Slave \Slave\, n. [Cf. F. esclave, D. slaaf, Dan. slave, sclave,
   Sw. slaf, all fr. G. sklave, MHG. also slave, from the
   national name of the Slavonians, or Sclavonians (in LL. Slavi
   or Sclavi), who were frequently made slaves by the Germans.
   See {Slav}.]
   1. A person who is held in bondage to another; one who is
      wholly subject to the will of another; one who is held as
      a chattel; one who has no freedom of action, but whose
      person and services are wholly under the control of
      another.

            thou our slave, Our captive, at the public mill our
            drudge?                               --Milton.

   2. One who has lost the power of resistance; one who
      surrenders himself to any power whatever; as, a slave to
      passion, to lust, to strong drink, to ambition.

   3. A drudge; one who labors like a slave.

   4. An abject person; a wretch. --Shak.

   {Slave ant} (Zo["o]l.), any species of ants which is captured
      and enslaved by another species, especially {Formica
      fusca} of Europe and America, which is commonly enslaved
      by {Formica sanguinea}.

   {Slave catcher}, one who attempted to catch and bring back a
      fugitive slave to his master.

   {Slave coast}, part of the western coast of Africa to which
      slaves were brought to be sold to foreigners.

   {Slave driver}, one who superintends slaves at their work;
      hence, figuratively, a cruel taskmaster.

   {Slave hunt}.
      (a) A search after persons in order to reduce them to
          slavery. --Barth.
      (b) A search after fugitive slaves, often conducted with
          bloodhounds.

   {Slave ship}, a vessel employed in the slave trade or used
      for transporting slaves; a slaver.

   {Slave trade}, the business of dealing in slaves, especially
      of buying them for transportation from their homes to be
      sold elsewhere.

   {Slave trader}, one who traffics in slaves.

   Syn: Bond servant; bondman; bondslave; captive; henchman;
        vassal; dependent; drudge. See {Serf}.

Slave \Slave\, v. i. [imp. & p. p. {Slaved}; p. pr. & vb. n.
   {Slaving}.]
   To drudge; to toil; to labor as a slave.

Slave \Slave\, v. t.
   To enslave. --Marston.

Source : WordNet®

slave
     adj : held in servitude; "he was born of slave parents" [syn: {slave(a)}]
           [ant: {free}]

slave
     v : work very hard, like a slave [syn: {break one's back}, {buckle
         down}, {knuckle down}]

slave
     n 1: a person who is owned by someone
     2: someone who works as hard as a slave [syn: {striver}, {hard
        worker}]
     3: someone entirely dominated by some influence or person; "a
        slave to fashion"; "a slave to cocaine"; "his mother was
        his abject slave"