Sentence:  This is certain; Moggy was by no means so great a fool as Betty in respect of hobgoblins, witches, banshees, <WSD>pookas</WSD>, and the world of spirits in general. She eat heartily, and slept soundly, and as yet had never seen the devil. 
Meaning of the word marked with <WSD> tags:  A fairy that supposedly appears in animal form, often large.