Question

plz tell me easy definition of katabatic and anabatic wind ...

Answer 1

Downslope winds flowing from high elevations of mountains, plateaus, and hills down their slopes to the valleys or planes below is called Katabatic Wind

Upslope winds driven by warmer surface temperatures on a mountain slope than the surrounding air column is called Anabatic Wind

Answer 2

Relating to a wind produced by the flow of cold sense air down a slope in an area subject to radiational cooling is called katabolic.
The movement wind upwards or rising is called anabatic