n.
Pronunciation: ' m ī -lij
Function: noun
Date: 1754
1 : an allowance for traveling expenses at a certain rate per mile
2 : aggregate length or distance in miles: as a : the total miles traveled especially in a given period of time b : the amount of service that something will yield especially as expressed in terms of miles of travel c : the average number of miles a motor vehicle will travel on a gallon of gasoline that is used as a measure of fuel economy <gets good mileage >
3 a : USEFULNESS <got a lot of mileage left in it> b : benefit derived from something <got good political mileage from the debates>