noun
cub
KUHB/kʌb/
A young mammal such as a bear or lion.
The small bear cub sits beside its much larger mother.

Etymology
Cub first meant a young fox and later extended to the young of bears, lions, and similar animals. Its origin is unknown; the suggested Irish and Norse connections remain possibilities.
In context
The mother- cub bond is the strongest in a bear's life. Mother must look after the young bears carefully.