Search Result for "yo-yo": 
Wordnet 3.0

NOUN (1)

1. a toy consisting of a spool that is reeled up and down on a string by motions of the hand; 



WordNet (r) 3.0 (2006):

yo-yo
    n 1: a toy consisting of a spool that is reeled up and down on a
         string by motions of the hand