Sentence:  One day the mail-man found no village there, / Nor were its folk or houses seen again; / People came out from Aylesbury to stare – / Yet they all told the mail-man it was plain / That he was mad for saying he had spied / The great hill's <WSD>gluttonous</WSD> eyes, and jaws stretched wide. 
Meaning of the word marked with <WSD> tags:  Greedy.