Merriam-Webster's Collegiate® Dictionary, 11th Edition
POULTICE
I. noun
Etymology: Middle English pultes, from Medieval Latin, literally, pap, from Latin, plural of pult-, puls porridge
Date: 15th century
a soft usually heated and sometimes medicated mass spread on cloth and applied to sores or other lesions,
II. transitive verb (-ticed; -ticing)
Date: 1730
to apply a poultice to