ˈam(ˌ)piks noun
Usage: capitalized
Etymology: New Latin, from Greek, woman's diadem, probably from am- (from ana- ) + -pyx (akin to Greek pykazein to cover closely, surround, crown); akin to Avestan pusā- diadem
: a genus of small blind Ordovician trilobites with a long spine at the anterior end of the head