toddler Syllabification: (tod·dler)Pronunciation: /ˈtädlər/Translate toddler | into French | into German | into Italian | into Spanish Definition of toddler noun a young child who is just beginning to walk. Derivatives toddlerhoodPronunciation: /-ˌho͝od/ noun toddler in other Oxford dictionaries Definition of toddler in the British & World English dictionary