Sentence:  The smoke found its way out of the holes in the roof as it liked best; and nearly over the fire was a black smoky shelf, supporting several masses of that inferior white cheese, called <WSD>Serac</WSD>. 
Meaning of the word marked with <WSD> tags:  "Often" '''(sérac)''': a hard, cone-shaped, pale green, strongly flavoured cheese from Switzerland made from skimmed cowmilk and blue fenugreek ((ver=180116)); Schabziger, Sapsago. It is usually eaten grated, mixed with butter, or in a fondue.