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1 definition found
 for Port lid
From The Collaborative International Dictionary of English v.0.48 :

  Port \Port\, n. [F. porte, L. porta, akin to portus; cf. AS.
     porte, fr. L. porta. See Port a harbor, and cf. Porte.]
     1. A passageway; an opening or entrance to an inclosed place;
        a gate; a door; a portal. [Archaic]
        [1913 Webster]
  
              Him I accuse
              The city ports by this hath entered.  --Shak.
        [1913 Webster]
  
              Form their ivory port the cherubim
              Forth issuing.                        --Milton.
        [1913 Webster]
  
     2. (Naut.) An opening in the side of a vessel; an embrasure
        through which cannon may be discharged; a porthole; also,
        the shutters which close such an opening.
        [1913 Webster]
  
              Her ports being within sixteen inches of the water.
                                                    --Sir W.
                                                    Raleigh.
        [1913 Webster]
  
     3. (Mach.) A passageway in a machine, through which a fluid,
        as steam, water, etc., may pass, as from a valve to the
        interior of the cylinder of a steam engine; an opening in
        a valve seat, or valve face.
        [1913 Webster]
  
     Air port, Bridle port, etc. See under Air, Bridle,
        etc.
  
     Port bar (Naut.), a bar to secure the ports of a ship in a
        gale.
  
     Port lid (Naut.), a lid or hanging for closing the
        portholes of a vessel.
  
     Steam port, & Exhaust port (Steam Engine), the ports of
        the cylinder communicating with the valve or valves, for
        the entrance or exit of the steam, respectively.
        [1913 Webster]

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