#lurch__pitch__pitching  abrupt up-and-down motion (as caused by a ship or other conveyance); "the pitching and tossing was quite exciting"
  supertype:  position_change__movement__move__motility  a change of position that does not entail a change of location; "the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility"
  subtype:  careen__rock__sway__tilt  pitching dangerously to one side

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