Definitions

1. adjective

relating to or divided into zones; having a clearly defined and separate area or region

“The zonal system of the city’s transportation network made it easy to navigate.”

2. noun

a particular area or region within a larger area or system, especially one that is clearly defined and separate

“The zonal temperature variation in the city was quite extreme.”

3. adverb

in a way that is related to or divided into zones; in a way that is having a clearly defined and separate area or region

“The city’s zonal layout made it easy to explore.”