equinoctial

1 of 2

adjective

equi·​noc·​tial ˌē-kwə-ˈnäk-shəl 

ˌe-

1

: relating to an equinox or to a state or the time of equal day and night

2

: relating to the regions or climate on or near the equator

3

: relating to the time when the sun passes an equinoctial point

equinoctial

2 of 2

noun

1

: equator sense 1

2

: an equinoctial storm

Examples of equinoctial in a Sentence

Recent Examples on the Web

Adjective

The inner bark of that red willow is the main ingredient used to make tobacco for the equinoctial Sacred Pipe ceremony, which is meant to rekindle the sacred fire of life on Earth. —National Geographic, 20 Mar. 2018

Post-equinoctial 90s qualify as unusual in Philly —Anthony R. Wood, Philly.com, 26 Sep. 2017

Word History

First Known Use

Adjective

1545, in the meaning defined at sense 1

Noun

1521, in the meaning defined at sense 1

Kids Definition

equinoctial

adjective

equi·​noc·​tial

ˌē-kwə-ˈnäk-shəl,

ˌek-wə-

1

: of, relating to, or occurring at or near an equinox

2

: of or relating to the regions or climate near the equator : equatorial