noun
pacifier
PA-sih-feye-uh
noun
1
A small rubber or plastic nipple-shaped object given to a baby to suck on for comfort.
"The baby fell asleep with the pacifier still in her mouth."
2
Someone or something that calms or soothes.
"His calm words acted as a pacifier during the heated debate."
How to Use Pacifier
Learner’s notesIn plain EnglishMost commonly, a soothing object for babies to suck on (called a "dummy" in British English).
UK vs US
American English says "pacifier"; British English typically says "dummy" for the baby item.
Word Forms
pacifiers plural
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The baby fell asleep with the _____ still in her mouth.
Etymology
From "pacify" plus the agent suffix "-er."