pygidium

== English == === Etymology === Borrowed from New Latin pygidium, By surface analysis, pygo- +‎ -idium. === Noun === pygidium (plural pygidia or pygidiums) (zoology) The caudal plate of trilobites, crustacea, and certain insects. ==== Derived terms ==== postpygidium pygidial ==== Translations ==== == French == === Etymology === Borrowed from New Latin pygidium, from Ancient Greek πυγή (pugḗ, “tail”). === Noun === pygidium m (plural pygidiums) pygidium == Latin == === Etymology === From Ancient Greek πυγή (pugḗ, “tail”). === Pronunciation === (Classical Latin) IPA(key): [pyːˈɡɪ.di.ũː] (modern Italianate Ecclesiastical) IPA(key): [piˈd͡ʒiː.di.um] === Noun === pȳgidium n (genitive pȳgidiī); second declension (New Latin) pygidium ==== Declension ==== Second-declension noun (neuter).