a dive in which the diver throws the feet forward to complete a full backward somersault and enters the water feet first and facing away from the diving board
a person who gains (gains an advantage or gains profits); "she was clearly the gainer in that exchange"
a contraction of economic activity resulting in a decline of prices
(geology) the erosion of soil as a consequence of sand and dust and loose rocks being removed by the wind; "a constant deflation of the desert landscape"