Ampyx
noun
Am·pyx
ˈam(ˌ)piks
: a genus of small blind Ordovician trilobites with a long spine at the anterior end of the head
Word History
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
First Known Use
1843, in the meaning defined above