Sentence:  As there was absolutely nothing to do but to grin and bear it, we made a breakfast of smoked salmon, "<WSD>choke-dog</WSD>," and tea; then shouldered our packs. 
Meaning of the word marked with <WSD> tags:  A very hard cheese.  Attributed variously to counties of the West Country of the United Kingdom such as Devon, Dorset and the Isle of Wight.