Definition of Ampyx
: a genus of small blind Ordovician trilobites with a long spine at the anterior end of the head
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of ampyx
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
Seen and Heard
What made you want to look up Ampyx? Please tell us where you read or heard it (including the quote, if possible).