-oidea
noun plural suffix
-oi·dea
ˈȯidēə
variants or -oida or -oidei
-də
-dēˌī
: animals characterized by or of the nature of —in names of higher taxa in zoology
EchinoideaHydroidaGanoidei
Word History
Etymology
-oidea, New Latin, from Latin -oïdes -oid + -ea, neuter plural of -eus -eous; -oida, New Latin, from Latin -oïdes; -oidei, New Latin, from Latin -oïdes + -ei, masculine plural of -eus -eous