[n] a light springing movement upwards or forwards
[n] taking a series of rhythmical steps (and movements) in time to music
[n] an abrupt transition; "a successful leap from college to the major leagues"
[n] a mutation that drastically changes the phenotype of an organism or species
[n] (geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface