Definition of Walker, John in English:

Walker, John

Line breaks: John Walk¦er
Pronunciation: /ˈwɔːkə
 
/
( B.1952), New Zealand athlete. He was the first athlete to run a mile in less than 3 minutes 50 seconds (1975).

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Word of the day neoteny
Pronunciation: nēˈätn-ē
noun
retention of juvenile features in the adult animal