D defs.my
Entry 1 sense Webster, 1913

Etesian

· E·te·sian · IPA /ɪˈtiːzɪən/
01 a. Periodical; annual; -- applied to winds which annually blow from the north over the Mediterranean, esp. the eastern part, for an irregular …
  1. 1.
    Periodical; annual; -- applied to winds which annually blow from the north over the Mediterranean, esp. the eastern part, for an irregular period during July and August.