The Collaborative International Dictionary of English v.0.48:

Disconnect \Dis`con*nect"\, v. t. [imp. & p. p. Disconnected;
   p. pr. & vb. n. Disconnecting.]
   To dissolve the union or connection of; to disunite; to
   sever; to separate; to disperse.
   [1913 Webster]

         The commonwealth itself would . . . be disconnected
         into the dust and powder of individuality. --Burke.
   [1913 Webster]

         This restriction disconnects bank paper and the
         precious metals.                         --Walsh.
   [1913 Webster]

WordNet (r) 3.0 (2006):

disconnect
    n 1: an unbridgeable disparity (as from a failure of
         understanding); "he felt a gulf between himself and his
         former friends"; "there is a vast disconnect between public
         opinion and federal policy" [syn: gulf, disconnect,
         disconnection]
    v 1: pull the plug of (electrical appliances) and render
         inoperable; "unplug the hair dryer after using it" [syn:
         unplug, disconnect] [ant: connect, plug in, plug
         into]
    2: make disconnected, disjoin or unfasten [ant: connect,
       link, link up, tie]

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

SCSI reconnect
disconnect

    The ability of a SCSI initiator to initiate new
   transactions before earlier ones have completed.  A target or
   initiator can disconnect from the bus when it experiences a
   delay in completing a task so that another device can use the
   bus.  It can reconnect later and complete the task.

   (1999-02-16)