Cūb1, n.
n. [Probably from Lat. cubare, to lie down, because it lies (cubat) in its den or hole, and does not go out for prey, as older animals do; or from cubare, for incubare, to lie upon, brood, hatch; Fr. couver, It. covare, to sit brooding, brood, hatch.]
Sense 1. A young animal, especially the young of the bear.
Sense 2. A young boy or girl; — used contemptuously.
O, thou dissembling cub! what wilt thou be When time hath sowed a grizzle on thy case? Shak.