cub

nouns

an awkward and inexperienced youth
cub, greenhorn, rookie
a male child (a familiar term of address to a boy)
cub, lad, laddie, sonny, sonny boy
the young of certain carnivorous mammals such as the bear or wolf or lion
cub, young carnivore

verbs

give birth to cubs
"bears cub every year"
cub
is a type of (narrower)
cause to be born
"My wife had twins yesterday!"
bear, birth, deliver, give birth, have