Sentence:  William Conqerour when he invaded this Iland, chanced at his arrival to be <WSD>gravelled</WSD>, and one of his feet stuck so fast in the sand, that he fell to the ground. 
Meaning of the word marked with <WSD> tags:  To run (as a ship) upon the gravel or beach; to run aground; to cause to stick fast in gravel or sand.