What's Trending Now
More Trending Words
Gigantostraca
plural noun
Gi·gan·tos·tra·ca
\(ˌ)jīˌgan‧ˈtästrə̇kə, jə̇ˌg-\
Definition of Gigantostraca
: a group of arthropods comprising the eurypteroids and sometimes related forms including the xiphosurans — compare merostomata
gigantostracan
\¦jīˌgan‧¦tästrə̇kən; jī¦g-, jə̇¦g-\ adjective or noungigantostracous
\-kəs\ adjectiveRead the Latest from M-W
There's more!
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 gigantostraca
New Latin, from gigant- + -ostraca
Seen and Heard
What made you want to look up Gigantostraca? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!