( a. )
Pertaining to the regions or climate of the equinoctial line or equator; in or near that line; as, equinoctial heat; an equinoctial sun.
( a. )
Pertaining to the regions or climate of the equinoctial line or equator; in or near that line; as, equinoctial heat; an equinoctial sun.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012