/puy"rohp/ , n.
a mineral, magnesium-aluminum garnet, Mg 3 Al 2 Si 3 O 12 , occurring in crystals of varying shades of red, and frequently used as a gem.
[ 1300-50; ME pirope pyropus gold-bronze pyropós lit., fire-eyed, equiv. to pyr- PYR- + op- (s. of óps ) EYE + -os adj. suffix ]