Pronunciation: s ī - ' fis-t ə -m ə
Function: noun
Inflected Form: plural -mae \ -( ˌ )m ē \ also -mas
Etymology: New Latin, from Latin scyphus cup + Greek stoma mouth ― more at STOMACH
Date: 1861
: a sexually produced scyphozoan larva that ultimately repeatedly constricts transversely to form free-swimming medusae