(1) The young of certain carnivorous mammals such as the bear or wolf or lion
(2) A male child (a familiar term of address to a boy)
(3) An awkward and inexperienced youth
(4) Give birth to cubs
"Bears cub every year"
- A member of the Cub Scouts.
- A player on the team the "Chicago Cubs".
- Jones became a Cub as the result of a pre-season trade.