Meteorol.
one of several highs, as the Azores and Pacific highs, that prevail over the oceans at latitudes of about 30 degrees N and S. Also called subtropical anticyclone . Cf. high (def. 41).
SUBTROPICAL HIGH
Meaning of SUBTROPICAL HIGH in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012