æquinoctial

Full definition of æquinoctial

Adjective

1. Obsolete form of equinoctial
• 1835, The Nautical Magazine, Volume IV, page 532:Hooke saw that there was “a necessary motion or tendency of the lower parts of the air near the earth, from the polar parts towards the æquinoctial, and consequently of the higher parts of the air from the æquinoctial parts towards the polar, and consequently a kind of circulation of the body of the air.”

Noun

1. Obsolete spelling of equinoctial