norm-n; 2 Senses

Sense Number 1: an accepted social standard, typical conduct

Commentary: NORM[+entity][+symbolic][+idea][+standard][+social][+accepted]

The protagonist in the novel rebels against the norms of his community.
The norm in their society is for women to marry early and have many children.
This system has been the norm in Germany for decades.
The workers did not want to give up the norm of a 35-hour work week. (accepted standard)
Hazing new students was the norm at that private academy. (social behavior)

WordNet 3.0 Sense Numbers: 1

Sense Number 2: a mathematical average or mean, a statistical distribution

Commentary: NORM[+quantity][+distribution][+statistical][+average]

Most of the students tested were clustered around the norm. (a value on a graph)
The norm for housing in this part of the country is $200,000.
Fifty is the age norm for the onset of menopause.

WordNet 3.0 Sense Numbers: 2