Sentence:  [H]e's nea in a Banter by my Saul, gin ye had bean bye when he wreet, ye wold ha ſeen his Face furrow'd lik a dry Cow-<WSD>Turd</WSD>, an his Eyn as keen as an "Engliſh" Bull-Dog, an his Back as high as a Camels, ſo grat was his Wrath, an now he be a Soldier it be tan Times bigger. 
Meaning of the word marked with <WSD> tags:  A piece of solid animal or human feces.