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
at stake
to be able to be won or lost, to be at risk
Much money was at stake during the negotiations for the new stadium.
