The Collaborative International Dictionary of English v.0.48:

Connect \Con*nect"\ (k[o^]n*n[e^]kt"), v. t. [imp. & p. p.
   Connected; p. pr. & vb. n. Connecting.] [L. connectere,
   -nexum; con- + nectere to bind. See Annex.]
   1. To join, or fasten together, as by something intervening;
      to associate; to combine; to unite or link together; to
      establish a bond or relation between.
      [1913 Webster]

            He fills, he bounds, connects and equals all.
                                                  --Pope.
      [1913 Webster]

            A man must see the connection of each intermediate
            idea with those that it connects before he can use
            it in a syllogism.                    --Locke.
      [1913 Webster]

   2. To associate (a person or thing, or one's self) with
      another person, thing, business, or affair.
      [1913 Webster]

   3. To establish a communication link; -- used with with; as,
      his telephone didn't answer, so I connected with him by
      email.
      [PJC]

   4. To electronically or mechanically link (a device) to
      another device, or to link a device to a common
      communication line; -- used with with; as, the installer
      connected our telephones on Monday; I connected my VCR to
      the TV set by myself; the plumber connected a shut-off
      valve to my gas line.
      [PJC]

   Connecting rod (Mach.), a rod or bar joined to, and
      connecting, two or more moving parts; esp. a rod
      connecting a crank wrist with a beam, crosshead, piston
      rod, or piston, as in a steam engine.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Connect \Con*nect"\, v. i.
   To join, unite, or cohere; to have a close relation; as, one
   line of railroad connects with another; one argument connects
   with another.
   [1913 Webster]

WordNet (r) 3.0 (2006):

connect
    v 1: connect, fasten, or put together two or more pieces; "Can
         you connect the two loudspeakers?"; "Tie the ropes
         together"; "Link arms" [syn: connect, link, tie,
         link up] [ant: disconnect]
    2: make a logical or causal connection; "I cannot connect these
       two pieces of evidence in my mind"; "colligate these facts";
       "I cannot relate these events at all" [syn: associate, tie
       in, relate, link, colligate, link up, connect]
       [ant: decouple, dissociate]
    3: be or become joined or united or linked; "The two streets
       connect to become a highway"; "Our paths joined"; "The
       travelers linked up again at the airport" [syn: connect,
       link, link up, join, unite]
    4: join by means of communication equipment; "The telephone
       company finally put in lines to connect the towns in this
       area"
    5: land on or hit solidly; "The brick connected on her head,
       knocking her out"
    6: join for the purpose of communication; "Operator, could you
       connect me to the Raffles in Singapore?"
    7: be scheduled so as to provide continuing service, as in
       transportation; "The local train does not connect with the
       Amtrak train"; "The planes don't connect and you will have to
       wait for four hours"
    8: establish a rapport or relationship; "The President of this
       university really connects with the faculty"
    9: establish communication with someone; "did you finally
       connect with your long-lost cousin?" [syn: get in touch,
       touch base, connect]
    10: plug into an outlet; "Please plug in the toaster!"; "Connect
        the TV so we can watch the football game tonight" [syn:
        plug in, plug into, connect] [ant: disconnect,
        unplug]
    11: hit or play a ball successfully; "The batter connected for a
        home run"

The Free On-line Dictionary of Computing (19 January 2023):

connect

    Unix socket library routine to connect
   a socket that has been created on the local hosts to one at a
   specified socket address on the remote host.

   Unix manual pages: connect(2), accept(2).

   (1995-03-21)