norm
That which is normal or typical.
Example
“Unemployment is the norm in this part of the country.”
Other meanings
A rule that is imposed by regulations and/or socially enforced by members of a community.
“Not eating your children is just one of those societal norms.”
A sentence with non-descriptive meaning, such as a command, permission or prohibition.
Example sentences
Word history
From Latin "norma" (a carpenter's square, a rule, a pattern, a precept).
Where this comes from
This definition is adapted from “norm” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.