\Thrust\, n. & v.
Thrist. [Obs.] --Spenser.

\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.
         Into a dungeon thrust, to work with slaves.
                                               --Milton.
2. To stab; to pierce; -- usually with through.
{To thrust away} or {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 {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.

\Thrust\, v. i.
1. To make a push; to attack with a pointed weapon; as, a
   fencer thrusts at his antagonist.
2. To enter by pushing; to squeeze in.
         And thrust between my father and the god. --Dryden.
3. To push forward; to come with force; to press on; to
   intrude. ``Young, old, thrust there in mighty concourse.''
   --Chapman.
{To thrust to}, to rush upon. [Obs.]
         As doth an eager hound Thrust to an hind within some
         covert glade.                         --Spenser.

\Thrust\, n.
1. A violent push or driving, as with a pointed weapon moved
   in the direction of its length, or with the hand or foot,
   or with any instrument; a stab; -- a word much used as a
   term of fencing.
         [Polites] Pyrrhus with his lance pursues, And often
         reaches, and his thrusts renews.      --Dryden.
2. An attack; an assault.
         One thrust at your pure, pretended mechanism. --Dr.
                                               H. More.
3. (Mech.) The force or pressure of one part of a
   construction against other parts; especially (Arch.), a
   horizontal or diagonal outward pressure, as of an arch
   against its abutments, or of rafters against the wall
   which support them.
4. (Mining) The breaking down of the roof of a gallery under
   its superincumbent weight.
{Thrust bearing} (Screw Steamers), a bearing arranged to
   receive the thrust or endwise pressure of the screw shaft.
{Thrust plane} (Geol.), the surface along which dislocation
   has taken place in the case of a reversed fault.
Syn: Push; shove; assault; attack.
Usage: {Thrust}, {Push}, {Shove}. Push and shove usually
       imply the application of force by a body already in
       contact with the body to be impelled. Thrust, often,
       but not always, implies the impulse or application of
       force by a body which is in motion before it reaches
       the body to be impelled.