[1] : The Collaborative International Dictionary of English v.0.48

proper \prop"er\, a. oe. propre, f. propre, fr. l. proprius.
   cf. appropriate.
   1913 webster
   1. belonging to one; one's own; individual. "his proper good"
      i. e., his own possessions. --chaucer. "my proper son."
      --shak.
      1913 webster

            now learn the difference, at your proper cost,
            betwixt true valor and an empty boast. --dryden.
      1913 webster

   2. belonging to the natural or essential constitution;
      peculiar; not common; particular; as, every animal has his
      proper instincts and appetites.
      1913 webster

            those high and peculiar attributes . . . which
            constitute our proper humanity.       --coleridge.
      1913 webster

   3. befitting one's nature, qualities, etc.; suitable in all
      respect; appropriate; right; fit; decent; as, water is the
      proper element for fish; a proper dress.
      1913 webster

            the proper study of mankind is man.   --pope.
      1913 webster

            in athens all was pleasure, mirth, and play,
            all proper to the spring, and sprightly may.
                                                  --dryden.
      1913 webster

   4. becoming in appearance; well formed; handsome. archaic
      "thou art a proper man." --chaucer.
      1913 webster

            moses . . . was hid three months of his parents,
            because they saw he was a proper child. --heb. xi.
                                                  23.
      1913 webster

   5. pertaining to one of a species, but not common to the
      whole; not appellative; -- opposed to common; as, a
      proper name; dublin is the proper name of a city.
      1913 webster

   6. rightly so called; strictly considered; as, greece proper;
      the garden proper.
      1913 webster

   7. her. represented in its natural color; -- said of any
      object used as a charge.
      1913 webster

   in proper, individually; privately. obs. --jer. taylor.
      

   proper flower or proper corolla bot., one of the single
      florets, or corollets, in an aggregate or compound flower.
      

   proper fraction arith. a fraction in which the numerator
      is less than the denominator.

   proper nectary bot., a nectary separate from the petals
      and other parts of the flower. -- proper noun gram., a
      name belonging to an individual, by which it is
      distinguished from others of the same class; -- opposed to
      common noun; as, john, boston, america.

   proper perianth or proper involucre bot., that which
      incloses only a single flower.

   proper receptacle bot., a receptacle which supports only
      a single flower or fructification.
      1913 webster
see also:
appropriate common in proper proper flower proper corolla proper fraction 
proper nectary proper noun common noun proper perianth proper involucre 
proper receptacle 

[2] : WordNet (r) 2.0

proper noun
     n : a noun that denotes a particular thing; usually capitalized
         syn: proper name ant: common noun
see also:
proper name common noun 

Noun >> N Words
Noun, definition of term: Noun
noun_pag1.html

Noun Phrase >> N Words
Noun Phrase, definition of term: Noun Phrase
noun+phrase_pag1.html

Physical Proper >> P Words
Physical Proper, definition of term: Physical Proper
physical+proper_pag1.html

Personal Proper >> P Words
Personal Proper, definition of term: Personal Proper
personal+proper_pag1.html

Common Noun >> C Words
Common Noun, definition of term: Common Noun
common+noun_pag1.html