etēsiae, ārum, m., = ἐτησίαι (sc. ἄνεμοι), the winds that blow annually during the dog-days for forty days, Etesian winds, trade-winds, Sen. Q. N. 5, 10 sq.; Col. 11, 2, 56; 58; Lucr. 6, 716; Cic. N. D. 2, 53; id. Fam. 2, 15 fin.; id. poet. Or. 45; Caes. B. C. 3, 107; Liv. 37, 23 et saep.

—In sing.: ete-sias, ae, m., = ὁ ἐτησίας, Plin. 18, 34, 77, § 335.