The Collaborative International Dictionary of English v.0.48:

Parade \Pa*rade"\, n. [F., fr. Sp. parada a halt or stopping, an
   assembling for exercise, a place where troops are assembled
   to exercise, fr. parar to stop, to prepare. See Pare, v.
   t.]
   1. The ground where a military display is held, or where
      troops are drilled. Also called parade ground.
      [1913 Webster]

   2. (Mil.) An assembly and orderly arrangement or display of
      troops, in full equipments, for inspection or evolutions
      before some superior officer; a review of troops. Parades
      are general, regimental, or private (troop, battery, or
      company), according to the force assembled.
      [1913 Webster]

   3. Hence: Any imposing procession; the movement of any group
      of people marshaled in military order, especially a
      festive public procession, which may include a marching
      band, persons in varied costume, vehicles with elaborate
      displays, and other forms of entertainment, held in
      commemoration or celebration of an event or in honor of a
      person or persons; as, a parade of firemen; a Thanksgiving
      Day parade; a Memorial Day parade; a ticker-tape parade.
      [PJC]

            In state returned the grand parade.   --Swift.
      [1913 Webster]

   4. Hence: A pompous show; a formal or ostentatious display or
      exhibition.
      [1913 Webster]

            Be rich, but of your wealth make no parade. --Swift.
      [1913 Webster]

   5. Posture of defense; guard. [A Gallicism.]
      [1913 Webster]

            When they are not in parade, and upon their guard.
                                                  --Locke.
      [1913 Webster]

   6. A public walk; a promenade.
      [1913 Webster]

   Dress parade, Undress parade. See under Dress, and
      Undress.

   Parade rest, a position of rest for soldiers, in which,
      however, they are required to be silent and motionless.
      --Wilhelm.
      [1913 Webster]

   Syn: Ostentation; display; show.

   Usage: Parade, Ostentation. Parade is a pompous
          exhibition of things for the purpose of display;
          ostentation now generally indicates a parade of
          virtues or other qualities for which one expects to be
          honored. "It was not in the mere parade of royalty
          that the Mexican potentates exhibited their power."
          --Robertson. "We are dazzled with the splendor of
          titles, the ostentation of learning, and the noise of
          victories." --Spectator.
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Parade \Pa*rade"\, v. t. [imp. & p. p. Paraded; p. pr. & vb.
   n. Parading.] [Cf. F. parader.]
   1. To exhibit in a showy or ostentatious manner; to show off.
      [1913 Webster]

            Parading all her sensibility.         --Byron.
      [1913 Webster]

   2. To assemble and form; to marshal; to cause to maneuver or
      march ceremoniously; as, to parade troops.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Parade \Pa*rade"\, v. i.
   1. To make an exhibition or spectacle of one's self, as by
      walking in a public place.
      [1913 Webster]

   2. To assemble in military order for evolutions and
      inspection; to form or march, as in review or in a public
      celebratory parade[3].
      [1913 Webster +PJC]

WordNet (r) 3.0 (2006):

parade
    n 1: a ceremonial procession including people marching
    2: an extended (often showy) succession of persons or things; "a
       parade of strollers on the mall"; "a parade of witnesses"
    3: a visible display; "she made a parade of her sorrows"
    v 1: walk ostentatiously; "She parades her new husband around
         town" [syn: parade, exhibit, march]
    2: march in a procession; "the veterans paraded down the street"
       [syn: parade, troop, promenade]

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

PARADE

   PARallel Applicative Database Engine.  A project at Glasgow
   University to construct a transaction-processor in the
   parallel functional programming language Haskell to run on
   an ICL EDS+ database machine.