Sentence:  We tumbled to a stop in Deacon Gordon 's cow hole , a low-lying bit of pasture with a muddy pool of <WSD>water</WSD> in its middle . 
Meaning of the word marked with <WSD> tags:  binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent