Source : Webster's Revised Unabridged Dictionary (1913)

Parrot \Par"rot\, n. [Prob. fr. F. Pierrot, dim. of Pierre
   Peter. F. pierrot is also the name of the sparrow. Cf.
   {Paroquet}, {Petrel}, {Petrify}.]
   1. (Zo["o]l.) In a general sense, any bird of the order
      {Psittaci}.

   2. (Zo["o]l.) Any species of {Psittacus}, {Chrysotis},
      {Pionus}, and other genera of the family {Psittacid[ae]},
      as distinguished from the parrakeets, macaws, and lories.
      They have a short rounded or even tail, and often a naked
      space on the cheeks. The gray parrot, or jako ({P.
      erithacus}) of Africa (see {Jako}), and the species of
      Amazon, or green, parrots ({Chrysotis}) of America, are
      examples. Many species, as cage birds, readily learn to
      imitate sounds, and to repeat words and phrases.

   {Carolina parrot} (Zo["o]l.), the Carolina parrakeet. See
      {Parrakeet}.

   {Night parrot}, or {Owl parrot}. (Zo["o]l.) See {Kakapo}.

   {Parrot coal}, cannel coal; -- so called from the crackling
      and chattering sound it makes in burning. [Eng. & Scot.]
      

   {Parrot green}. (Chem.) See {Scheele's green}, under {Green},
      n.

   {Parrot weed} (Bot.), a suffrutescent plant ({Bocconia
      frutescens}) of the Poppy family, native of the warmer
      parts of America. It has very large, sinuate, pinnatifid
      leaves, and small, panicled, apetalous flowers.

   {Parrot wrasse}, {Parrot fish} (Zo["o]l.), any fish of the
      genus {Scarus}. One species ({S. Cretensis}), found in the
      Mediterranean, is esteemed by epicures, and was highly
      prized by the ancient Greeks and Romans.

Parrot \Par"rot\, v. t.
   To repeat by rote, as a parrot.

Parrot \Par"rot\, v. i.
   To chatter like a parrot.

Source : WordNet®

parrot
     v : repeat mindlessly; "The students parroted the teacher's
         words"

parrot
     n 1: usually brightly colored zygodactyl tropical birds with
          short hooked beaks and the ability to mimic sounds
     2: a copycat who does not understand the words or acts being
        imitated