toddler

noun3

1. •
   A young child (typically between one and three years old) who has started walking but not fully mastered it.

   • I can't believe Vanessa's baby is now a toddler already!
2. •
   (informal, rare) Any young child (typically before preadolescence) who is capable of walking.

   • Toddlers & Tiaras
   • He gave up, said the sixes were being too rowdy... Can't believe he's scared of literal toddlers!
3. •
   (figurative) One unsteady on their feet.

   • He is sixty-five years old if he is a fortnight, while the girl has only just done with her dolls,and hos no more love for the toothless old toddler than I have for Mammy Wombat, the black gin. — 1868