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Definition of Jack Frost noun from the Oxford Advanced Learner's Dictionary

Jack Frost

noun
 
/ˌdʒæk ˈfrɒst/
 
/ˌdʒæk ˈfrɔːst/
[singular] (old-fashioned)
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  1. frost, considered as a person
    • Jack Frost was threatening to kill the new plants.
See Jack Frost in the Oxford Advanced American Dictionary
practical
adjective
 
 
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