The Collaborative International Dictionary of English v.0.48:

Thrust \Thrust\, v. t. [imp. & p. p. Thrust; p. pr. & vb. n.
   Thrusting.] [OE. ?rusten, ?risten, ?resten, Icel. ?r?st? to
   thrust, press, force, compel; perhaps akin to E. threat.]
   1. To push or drive with force; to drive, force, or impel; to
      shove; as, to thrust anything with the hand or foot, or
      with an instrument.
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            Into a dungeon thrust, to work with slaves.
                                                  --Milton.
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   2. To stab; to pierce; -- usually with through.
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   To thrust away or To thrust from, to push away; to
      reject.

   To thrust in, to push or drive in.

   To thrust off, to push away.

   To thrust on, to impel; to urge.

   To thrust one's self in or To thrust one's self into, to
      obtrude upon, to intrude, as into a room; to enter (a
      place) where one is not invited or not welcome.

   To thrust out, to drive out or away; to expel.

   To thrust through, to pierce; to stab. "I am eight times
      thrust through the doublet." --Shak.

   To thrust together, to compress.
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The Collaborative International Dictionary of English v.0.48:

Thrusting \Thrust"ing\, n.
   1. The act of pushing with force.
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   2. (Dairies)
      (a) The act of squeezing curd with the hand, to expel the
          whey.
      (b) pl. The white whey, or that which is last pressed out
          of the curd by the hand, and of which butter is
          sometimes made. [Written also thrutchthings.] [Prov.
          Eng.]
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   Thrusting screw, the screw of a screw press, as for
      pressing curd in making cheese. [R.]
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WordNet (r) 3.0 (2006):

thrusting
    n 1: a sharp hand gesture (resembling a blow); "he warned me
         with a jab with his finger"; "he made a thrusting motion
         with his fist" [syn: jab, jabbing, poke, poking,
         thrust, thrusting]