Source : Webster's Revised Unabridged Dictionary (1913)

Expel \Ex*pel"\, v. t. [imp. & p. p. {Expelled}, p. pr. & vb.
   n.. {Expelling}.] [L. expellere, expulsum; ex out + pellere
   to drive: cf.F. expeller. See {Pulse} a beat.]
   1. To drive or force out from that within which anything is
      contained, inclosed, or situated; to eject; as to expel
      air from a bellows.

            Did not ye . . . expel me out of my father's house?
                                                  --Judg. xi. 7.

   2. To drive away from one's country; to banish.

            Forewasted all their land, and them expelled.
                                                  --Spenser.
      .

            He shall expel them from before you . . . and ye
            shall possess their land.             --Josh. xxiii.
                                                  5.

   3. To cut off from further connection with an institution of
      learning, a society, and the like; as, to expel a student
      or member.

   4. To keep out, off, or away; to exclude. ``To expel the
      winter's flaw.'' --Shak.

   5. To discharge; to shoot. [Obs.]

            Then he another and another [shaft] did expel.
                                                  --Spenser.
      .

   Syn: To banish; exile; eject; drive out. See {Banish}.

Source : WordNet®

expel
     v 1: force to leave or move out; "He was expelled from his native
          country" [syn: {throw out}, {kick out}]
     2: put out or expel from a place; "The child was expelled from
        the classroom" [syn: {eject}, {chuck out}, {exclude}, {throw
        out}, {kick out}, {turf out}, {boot out}, {turn out}]
     3: remove from a position or office; "The chairman was ousted
        after he misappropriated funds" [syn: {oust}, {throw out},
         {drum out}, {boot out}, {kick out}]
     4: cause to flee; "rout out the fighters from their caves"
        [syn: {rout}, {rout out}]
     5: eliminate (substances) from the body [syn: {discharge}, {eject},
         {release}]
     [also: {expelling}, {expelled}]

expelled
     See {expel}