Sentence:  “Yes, sir, if that was the language of love, I'll eat my hat,” said the blood relation, alluding, I took it, to the beastly straw contraption in which she does her gardening, concerning which I can only say that it is almost as foul as Uncle Tom's Sherlock Holmes deerstalker, which has frightened more crows than any other <WSD>lid</WSD> in Worcestershire. 
Meaning of the word marked with <WSD> tags:  A cap or hat.