roll [rolls](oscillating movement of a vessel from side to side) noun [UK: rəʊl] [US: roʊl] seesaw [seesaws](movement) noun [UK: ˈsiː.sɔː] [US: ˈsiː.ˌsɒ] sway(The act of swaying; a swaying motion; a swing or sweep of a weapon) noun [UK: sweɪ] [US: ˈsweɪ] |