Sentence:  A dozen cows mooed sadly and regarded us as if we were insane , as perhaps we were at that moment , with the crazy excitement of our first encounter , the yelling and shooting still continuing up at the road , and the thirst of some of the men , which was so great that they waded into the muddy <WSD>water</WSD> and scooped up handfuls of it . 
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