Sentence:  The Fairy Paribanou was at that time very hard at work, and, as she had several <WSD>clews</WSD> of thread by her, she took up one, and, presenting it to Prince Ahmed, said: "First take this <WSD>clew</WSD> of thread... 
Meaning of the word marked with <WSD> tags:  (yarn)  A ball of thread or yarn.