plural noun Gi·gan·tos·tra·ca \(ˌ)jīˌgan‧ˈtästrə̇kə, jə̇ˌg-\

Definition of Gigantostraca

  1. :  a group of arthropods comprising the eurypteroids and sometimes related forms including the xiphosurans — compare merostomata


\¦jīˌgan‧¦tästrə̇kən; jī¦g-, jə̇¦g-\ adjective or noun


\-kəs\ adjective

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Origin and Etymology of gigantostraca

New Latin, from gigant- + -ostraca

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capable of being understood in two ways

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