Sentence:  In a Word, the Tea, Infuſion, Emulſion, and Syrup of the Seeds [of the poppy] are uſed in all ſevere internal Pains, ... And a Decoction of the Tops, Heads, Leaves, and Seeds in Baths, <WSD>"Pedilavia</WSD>", Fomentations, Poultiſes, Ointments, &c. in all external Pains, and in Watchings, Cramps, and Stiffneſſes (if not from Cold, or cold Causes, &c.[).] 
Meaning of the word marked with <WSD> tags:  A footbath carried out for therapeutic purposes; a pediluvium.