ALL meanings of mesocyclone
mes·o·cy·clone
M m - noun mesocyclone A cyclonic air mass associated with a supercell; its presence is a condition for a tornado warning. 1
- noun mesocyclone a small cyclone that arises near a thunderstorm and is sometimes associated with the occurrence of tornadoes. 1
- noun mesocyclone an area of vertically rotating air during a severe thunderstorm which can develop into a tornado 0