security blanket
noun
Definition of security blanket
1 : a blanket carried by a child as a protection against anxiety
2 : a usually familiar object whose presence dispels anxiety
Indulge Your Inner Word Nerd
1954
First Known Use of security blanket
1954
SECURITY BLANKET Defined for English Language Learners
security blanket
noun
Definition of security blanket for English Language Learners
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: a blanket that is carried by a child because it makes the child feel safe
Medical Dictionary
security blanket
noun
Medical Definition of security blanket
: a blanket carried by a child as a protection against anxiety
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