/ kʌb; NAmE / noun
1.
[ C ] a young bear , lion , fox , etc. :
a lioness guarding her cubs
2.
the Cubs ( BrE ) ( US the ˈCub Scouts ) [ pl. ] a branch of the Scout Association for boys between the ages of eight and ten or eleven :
to join the Cubs
3.
Cub (also ˈCub Scout ) [ C ] a member of the Cubs
—compare Brownie
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WORD ORIGIN
mid 16th cent.: of unknown origin.