saltation in WordNet English dictionary

1. a light, self-propelled movement upwards or forwards
   leap  leaping  spring  saltation  bound  bounce 
   
2. taking a series of rhythmical steps (and movements) in time to music
   dancing  dance  terpsichore  saltation 
   
3. an abrupt transition
   "a successful leap from college to the major leagues"
   leap  jump  saltation 
   
4. (genetics) a mutation that drastically changes the phenotype of an organism or species
   saltation 
   
5. (geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface
   saltation