Definition: conforming with or constituting a norm or standard or level or type or social norm; not abnormal

Usage:serve wine at normal room temperature; normal diplomatic relations; normal working hours; normal word order; normal curiosity; the normal course of events

Definition: relating to or constituting the middle value of an ordered set of values (or the average of the middle two in a set with an even number of values)

Usage:the median value of 17, 20, and 36 is 20; the median income for the year was $15,000