Whenever in this chapter the following terms are used, they shall have the meanings respectively ascribed to them in this section:
PARKING METER ZONES: Portions of streets described and established by the city as zones within which the parking of vehicles shall be controlled, regulated and inspected with the aid of timing devices or meters, herein referred to as "parking meters" or "meters".
ROADWAY: That portion of a street between the regularly established curb lines.
SIDEWALK: That portion of a street between the curb lines and the adjacent property lines.
STREET: Every way set apart for public travel, except private alleyways, bridle paths and footpaths.
VEHICLE: A conveyance propelled by motor power. (Prior code § 8-4-1)