n.
1.(geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface
2.a mutation that drastically changes the phenotype of an organism or species
3.an abrupt transition
4.taking a series of rhythmical steps (and movements) in time to music
5.a light springing movement upwards or forwards
Idiom of the Day
turn in (someone) or turn (someone) in
to inform on someone, to report someone for doing something wrong or illegal
The department store turned in the shoplifter to the police.