Entry 1 sense Webster, 1913 Crania /(kr?"n?-?)/ · Cra·ni·a · IPA 01 n. A genus of living Brachiopoda; -- so called from its fancied resemblance to the cranium or skull. 1. A genus of living Brachiopoda; -- so called from its fancied resemblance to the cranium or skull.(Zool.)