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

tyrian \tyr"ian\, a. l. tyrius, from tyrus tyre, gr. ?.
   1. of or pertaining to tyre or its people.
      1913 webster

   2. being of the color called tyrian purple.
      1913 webster

            the bright-eyed perch with fins of tyrian dye.
                                                  --pope.
      1913 webster

   tyrian purple, or tyrian dye, a celebrated purple dye
      prepared in ancient tyre from several mollusks, especially
      ianthina, murex, and purpura. see the note under purple,
      n., 1, and purple of mollusca, under purple, n.
      1913 webster
see also:
tyrian purple tyrian dye purple purple of mollusca 

[2] : WordNet (r) 2.0

tyrian purple
     n 1: a red-purple to deep purple dye obtained from snails or made
          synthetically
     2: a vivid purplish-red color

Purple >> P Words
Purple, definition of term: Purple
purple_pag1.html

Tyrian >> T Words
Tyrian, definition of term: Tyrian
tyrian_pag1.html

Purple Martin >> P Words
Purple Martin, definition of term: Purple Martin
purple+martin_pag1.html

Purple Heart >> P Words
Purple Heart, definition of term: Purple Heart
purple+heart_pag1.html

Purple Finch >> P Words
Purple Finch, definition of term: Purple Finch
purple+finch_pag1.html