pacifier
Word family
Longman Dictionary of Contemporary English 5++LDOCE 5++pac·i·fi·er /ˈpæsəfaɪə $ -faɪər/ noun [countable] 1. 
American EnglishDHB a rubber object that you give a baby to suck so that it does not cry 〔哄婴孩用的〕橡皮奶嘴 SYN British English dummy2. CALMsomething that makes people calm 使人安定的东西Examples from the Corpus
pacifier• It had proved quite an exciting substitute for lost love, and a pacifier in that time of grave trouble.• Food can be a pacifier to disturbed feelings.• The best pacifier appears to be applause, the kind of attention 2-year-olds demand from their parents.• Was 1, fed on formula from birth, fruitlessly searching for a suitable pacifier at twenty-three?pac·i·fi·er nounChineseSyllable
rubber object you a Corpus that a give
pacifier
pac‧i‧fi‧er /ˈpæsəfaɪə, ˈpæsɪfaɪə $ -faɪər/
noun [countable]
1. American English a rubber object that you give a baby to suck so that it does not cry
SYN dummy British English
2. something that makes people calm
pac‧i‧fi‧er /ˈpæsəfaɪə, ˈpæsɪfaɪə $ -faɪər/
noun [countable] Word Family: noun: peace, peacefulness, pacifier, pacifism, pacifist; adjective: peaceful, peaceable, pacifist; adverb: peacefully, peaceably; verb: pacify
1. American English a rubber object that you give a baby to suck so that it does not cry
SYN dummy British English
2. something that makes people calm