parking meter(n = noun.artifact) - a coin-operated timer located next to a parking space; depositing money into it entitles you to park your car there for a specified length of time;
is a kind of timer

candle meter, common meter, coulomb meter, cubic meter, electric meter, exposure meter, gas meter, gravity meter, heroic meter, light meter, meter, meter maid, meter reading, parking, parking area, parking brake, parking lot, parking space, parking ticket, parking zone, phase meter, postage meter, power meter, square meter, torsion meter, valet parking, water meter