Black's Law Dictionary (2nd edition)dictionaries

Mileage

A payment or charge, at a fixed rate per mile, allowed as a compeusa-tlon for traveling expenses to members of legislative bodies, witnesses, sheriffs, and bail-iffs. Richardson v. State, 66 ohio St 108, 63 N. E. 693; Howes v. Abbott, 78 Cal. 270, 20 Pac. 572

Source: Black’s Law Dictionary 2nd Ed (1910)