toddler
n. countablen. a young child who is just beginning to walk. You use this for children who are roughly between one and three years old.
n. a young child who is at the developmental stage of learning to walk, typically between twelve and thirty-six months of age.
The toddler is playing with wooden blocks on the floor.
The park has a separate play area designed specifically for toddlers to ensure they can play safely away from older children.
Child psychologists often study the transition from infancy to the toddler years, focusing on the rapid acquisition of language and the development of independent motor skills.
From toddle (“to walk unsteadily”) + -er – literally “one who walks unsteadily”, hence a young child.
Commonly used to categorize children by age in educational and medical contexts.