Sentence:  Tiffy froze as the two <WSD>pixies</WSD> looked directly into each other's eyes. / Then Tiffy raised her hand and said, “Hi, I'm Tiffy the Tooth Fairy.” Even though the other <WSD>pixie</WSD> lifted her hand too, she didn't answer. 
Meaning of the word marked with <WSD> tags:  A playful sprite or elflike or fairy-like creature.