galeaEnglishOxford New American Dictionarygalea /ˈɡālēə, ˈɡeɪliə / ▸ noun (plural galeae /-lēˌē/ or galeas) Botany & Zoology a structure shaped like a helmet. – DERIVATIVES galeate ,galeated – ORIGIN mid 19th century : from Latin, literally ‘helmet’.