Dictionary

three R's

noun plural

Definition of THREE R'S

1
:  the fundamentals taught in elementary school; especially :  reading, writing, and arithmetic
2
:  the fundamental skills in a field of endeavor

Origin of THREE R'S

from the facetiously used phrase reading, 'riting, and 'rithmetic
First Known Use: 1828

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July 06, 2015
categorical Hear it
absolute or relating to a category
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