n.
Pronunciation: s ə - ' r ī - ə -s ə s
Function: noun
Etymology: New Latin, from Greek ps ō riasis, from ps ō rian to have the itch, from ps ō ra itch; akin to Greek ps ē n to rub
Date: circa 1684
: a chronic skin disease characterized by circumscribed red patches covered with white scales
– pso · ri · at · ic \ ˌ so ̇ r- ē - ' a-tik \ adjective or noun