Is “Zonal” a Scrabble word?
Yes
ZONAL
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Zonal
/ˈzəʊnəl/
adjective
1.Divided into zones.
2.Related to, associated with, or similar to zones.
3.(of air or ocean currents) roughly longitudinal (east to west, or west to east)