Æs-tī'val or Es-tī'val1, a.
a. [Lat. æstīvalis, æstīvus, from æstus, summer.] Of, or belonging to, the summer; as, the æstival solstice; æstival diseases.
2 entries under this word
Estival
Ĕs'ti-val2, a.
a. [Fr., Pr., Sp., & Pg. estival, It. estivale, Lat. æstivalis, from æstas, summer.] Pertaining to, or continuing through, the summer; æstival. “Estival garlands.” Browne.