n.
Function: noun
Date: circa 1571
1 a : an effort to heave or raise b : HURL , CAST
2 : an upward motion : RISING especially : a rhythmical rising
3 : horizontal displacement especially by the faulting of a rock
4 plural but singular or plural in construction : chronic pulmonary emphysema of the horse resulting in difficult expiration, heaving of the flanks, and a persistent cough