a deep purple dye obtained from molluscs of the genus Murex and highly prized in antiquity
2.
a.
a vivid purplish-red colour
b.
(as adjective)
a Tyrian-purple robe
Sometimes shortened to: Tyrian
Tyrian-purple in British English
(ˈtɪrɪənˌpɜːpəl)
adjective
of or relating to a vivid purplish-red colour
He wore a Tyrian-purple robe.
Tyrian purple in American English
or Tyrian dye
1.
a natural purple dye originally extracted from the glands of snails (family Muricidae) by the ancient Phoenicians of Tyre: widely used in the ancient and classical world in the dyeing of cloth