Main Entry: ede·ma

Pronunciation: \i-ˈdē-mə\

Function: noun

Etymology: New Latin, from Greek oidēma swelling, from oidein to swell; akin to Armenian aytnu- swell, Old English ātor poison

Date: 15th century

1 : an abnormal infiltration and excess accumulation of serous fluid in connective tissue or in a serous cavity —called also dropsy
2 a : watery swelling of plant organs or parts b : any of various plant diseases characterized by such swellings

— edem·a·tous \-ˈde-mə-təs\ adjective