Sentence:  <WSD>Parging</WSD> is a single layer of mortar applied directly to the wall with a trowel so that it covers the entire surface. Parges generally are rough and cover the whole masonry surface, but at times they are only applied to the joints or recessed portions of the stonework. 
Meaning of the word marked with <WSD> tags:  A coat of cement mortar on the face of rough masonry, the earth side of foundation and basement walls; a parge.