pacifier
- An object, typically made of rubber or plastic, designed for a baby to suck on, which helps soothe and calm them. nounThe baby stopped crying as soon as she was given her pacifier.Parents often use a pacifier to help their infants fall asleep.
- A person or thing that pacifies or calms someone or something. nounThe mediator acted as a pacifier during the heated negotiations.Music can be a great pacifier for people feeling stressed.