[eu.ryp.ter.id] n [ultim. fr. Gk eury- + pteron wing--more at feather] (1871): any of an order (Eurypterida) of usu. large aquatic Paleozoic arthropods related to the horseshoe crabs -- eurypterid adj
EURYPTERID
Meaning of EURYPTERID in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012