EDEMA

noun Etymology: New Latin, from Greek oidēma swelling, from oidein to swell; akin to Armenian aytnu- swell, Old English ātor poison Date: 15th century an abnormal infiltration and excess accumulation of serous fluid in connective tissue or in a serous cavity, 2. watery swelling of plant organs or parts, any of various plant diseases characterized by such swellings, ~tous adjective