Definitions:

1. A medical doctor who specializes in the care and treatment of infants, children, and adolescents. NOUN
   • We took our newborn to the baby doctor for his first checkup and vaccinations.
2. A medical specialist who provides preventive health maintenance for healthy children and medical care for children who are acutely or chronically ill. NOUN
   • The baby doctor provided valuable tips on sleep training and managing common infant ailments.

Synonyms:

• pediatrician