heaving

heaving (http://definr.com/heaving)

     adj : rising and falling alternately as in waves; "the heaving
           waves in the storm-tossed sea"; "the exhausted dog's
           heaving chest"
     n 1: an upward movement (especially a rhythmical rising and
          falling); "the heaving of waves on a rough sea" [syn: heave]
     2: breathing heavily (as after exertion) [syn: panting]
     3: the act of lifting something with great effort [syn: heave]
     4: throwing something heavy (with great effort); "he gave it a
        mighty heave"; "he was not good at heaving passes" [syn: heave]