ESTIVAL
aestival, estival
(adjective) (rare) of or occurring in summer; “the sky was a burnished aestival blue”; “estival winds”
Source: WordNet® 3.1
Etymology
Adjective
estival (comparative more estival, superlative most estival)
Of or relating to summer.
Synonyms: summery, summer
Antonyms: hibernal, brumal, winter, wintry
Coming forth in the summer.
Coordinate terms
• prevernal
• vernal
• autumnal
• serotinal
Anagrams
• Ilvates, Vitelas, alvites, silvate
Source: Wiktionary
Es"ti*val, a., Es"ti*vate , v. i., Es`ti*va"tion , n.
Definition: Same as Æstival, Æstivate, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition