solstitial

[ sol-stish-uh l, sohl- ]
/ sɒlˈstɪʃ əl, soʊl- /
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adjective

of or relating to a solstice or the solstices: a solstitial point.
occurring at or about the time of a solstice.
characteristic of the summer solstice.

Origin of solstitial

1550–60; < Latin sōlstitiālis; see solstice, -al1

Related forms

sol·sti·tial·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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