Sentence:  <WSD>Sappy</WSD> meat was explained to consist of a number of little vesicles filled with very minute particles, which presented the Brownian motion, and which Mr. Berkeley suggested, from their known effects on meat, might possibly be the cause of cholera, hospital gangrene, or other diseases. 
Meaning of the word marked with <WSD> tags:  Musty; tainted; rancid.