On the average

What is On the average?

On the average definition and meaning on Dictionary terms:
a quantity, rating, or the like that represents or approximates an arithmetic mean: Her golf average is in the 90s. My average in science has gone from B to C this semester.
a typical amount, rate, degree, etc.; norm.

Statistics. arithmetic mean.
Mathematics. a quantity intermediate to a set of quantities.
Commerce. a charge paid by the master of a ship for such services as pilotage or towage.an expense, partial loss, or damage to a ship or cargo.the incidence of such an expense or loss to the owners or their insurers.an equitable apportionment among all the interested parties of such an expense or loss.Compare general average, particular average.

of or relating to an average; estimated by average; forming an average: The average rainfall there is 180 inches.
typical; common; ordinary: The average secretary couldn’t handle such a workload. His grades were nothing special, only average.

verb (used with object), av