Anticyclone \An"ti*cy`clone\, n. (Meteorol.) A movement of the atmosphere opposite in character, as regards direction of the wind and distribution of barometric pressure, to that of a cyclone. -- An`ti*cy*clon"ic, a. -- An`ti*cy*clon"ic*al*ly, adv.

Source: Webster's Revised Unabridged Dictionary (1913)