lift lock

from The Collaborative International Dictionary of English v.0.48
Lift \Lift\, n.
   1. Act of lifting; also, that which is lifted.
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   2. The space or distance through which anything is lifted;
      as, a long lift. --Bacon.
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   3. Help; assistance, as by lifting. Hence: A ride in a
      vehicle, given by the vehicle's owner to another person as
      a favor -- usually in "give a lift" or "got a lift"; as,
      to give one a lift in a wagon; Jack gave me a lift into
      town. [Colloq.]
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            The goat gives the fox a lift.        --L'Estrange.

   4. That by means of which a person or thing lifts or is
      lifted; as:
      (a) A hoisting machine; an elevator; a dumb waiter.
          [Chiefly Brit.]
      (b) An exercising machine.
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   5. A rise; a degree of elevation; as, the lift of a lock in
      canals.
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   6. A lift gate. See {Lift gate}, below. [Prov. Eng.]
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   7. (Naut.) A rope leading from the masthead to the extremity
      of a yard below; -- used for raising or supporting the end
      of the yard.
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   8. (Mach.) One of the steps of a cone pulley.
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   9. (Shoemaking) A layer of leather in the heel.
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   10. (Horology) That portion of the vibration of a balance
       during which the impulse is given. --Saunier.
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   11. A brightening of the spirits; encouragement; as, the
       campaign workers got a lift from the President's
       endorsement.
       [PJC]

   {Dead lift}. See under {Dead}. --Swift.

   {Lift bridge}, a kind of drawbridge, the movable part of
      which is lifted, instead of being drawn aside.

   {Lift gate}, a gate that is opened by lifting.

   {Lift hammer}. See {Tilt hammer}.

   {Lift lock}, a canal lock.

   {Lift pump}, a lifting pump.

   {Lift tenter} (Windmills), a governor for regulating the
      speed by adjusting the sails, or for adjusting the action
      of grinding machinery according to the speed.

   {Lift wall} (Canal Lock), the cross wall at the head of the
      lock.
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from The Collaborative International Dictionary of English v.0.48
Lock \Lock\, n. [AS. loc inclosure, an inclosed place, the
   fastening of a door, fr. l[=u]can to lock, fasten; akin to
   OS. l[=u]kan (in comp.), D. luiken, OHG. l[=u]hhan, Icel.
   l[=u]ka, Goth. l[=u]kan (in comp.); cf. Skr. ruj to break.
   Cf. {Locket}.]
   1. Anything that fastens; specifically, a fastening, as for a
      door, a lid, a trunk, a drawer, and the like, in which a
      bolt is moved by a key so as to hold or to release the
      thing fastened.
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   2. A fastening together or interlacing; a closing of one
      thing upon another; a state of being fixed or immovable.
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            Albemarle Street closed by a lock of carriages. --De
                                                  Quincey.
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   3. A place from which egress is prevented, as by a lock.
      --Dryden.
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   4. The barrier or works which confine the water of a stream
      or canal.
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   5. An inclosure in a canal with gates at each end, used in
      raising or lowering boats as they pass from one level to
      another; -- called also {lift lock}.
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   6. That part or apparatus of a firearm by which the charge is
      exploded; as, a matchlock, flintlock, percussion lock,
      etc.
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   7. A device for keeping a wheel from turning.
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   8. A grapple in wrestling. --Milton.
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   {Detector lock}, a lock containing a contrivance for showing
      whether it as has been tampered with.

   {Lock bay} (Canals), the body of water in a lock chamber.

   {Lock chamber}, the inclosed space between the gates of a
      canal lock.

   {Lock nut}. See {Check nut}, under {Check}.

   {Lock plate}, a plate to which the mechanism of a gunlock is
      attached.

   {Lock rail} (Arch.), in ordinary paneled doors, the rail
      nearest the lock.

   {Lock rand} (Masonry), a range of bond stone. --Knight.

   {Mortise lock}, a door lock inserted in a mortise.

   {Rim lock}, a lock fastened to the face of a door, thus
      differing from a {mortise lock}.
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