Sentence:  A huge one. It was my job to mix the <WSD>horseshit</WSD> in with the soil. Great big wheelbarrows full of <WSD>horseshit</WSD>. We used to drive around to farms that had horses and ask them if we could shovel up their <WSD>horseshit</WSD>. 
Meaning of the word marked with <WSD> tags:  horse faeces