A copper coin of the United States, of the value of of a dollar, and weighing 94 grains, current from 1793 to 1857.(noun)
The Century Dictionary (Public Domain)
Use "half-cent" in a sentence
"Hamilton County taxpayers are reminded of their generosity to the Bengals each time they pay a half-cent sales tax surcharge that is dedicated to paying for the stadium and its maintenance."
"Alachua County, FL did that with a half-cent sales tax, as I recall."
"Measure R is the half-cent County voter approved transportation sales tax that will make possible the critical Wilshire Subway extension, Crenshaw Line, expansion of the Green Line, link between the San Fernando and the Westside, the downtown regional connector and other overdue projects."