Definition of Johnson, Jack in English:

Johnson, Jack

Line breaks: Jack John|son
Pronunciation: /ˈdʒɒns(ə)n
 
/
( 1878–1946), American boxer. He was the first black world heavyweight champion (1908–15).

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Word of the day neoteny
Pronunciation: niːˈɒt(ə)ni
noun
retention of juvenile features in the adult animal