noun
a fairy that is said to leave money at night under a child's pillow to compensate for a baby tooth falling out
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noun
the tooth fairy
: an imaginary creature who is supposed to leave money for children while they sleep in exchange for a tooth that has come out
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an imaginary creature that is said to take away a tooth that a small child leaves near his or her bed at night and to leave a coin there in its place
Useful english dictionary. 2012.