Dictionary

erector

noun erec·tor \i-ˈrek-tər\

Definition of ERECTOR

:  one that erects; especially :  a muscle that raises or keeps a part erect
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First Known Use of ERECTOR

1538

Erector

trademark

Definition of ERECTOR

—used for a metal toy construction set
Medical Dictionary

erector

noun erec·tor \i-ˈrek-tər\

Medical Definition of ERECTOR

:  a muscle that raises or keeps a part erect—called also arrector

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