To roll over, or to and fro; to throw one's self about; as, a person in pain tumbles and tosses.

To roll down; to fall suddenly and violently; to be precipitated; as, to tumble from a scaffold.

To play tricks by various movements and contortions of the body; to perform the feats of an acrobat.

To turn over; to turn or throw about, as for examination or search; to roll or move in a rough, coarse, or unceremonious manner; to throw down or headlong; to precipitate; -- sometimes with over, about, etc.; as, to tumble books or papers.

Act of tumbling, or rolling over; a fall.

an acrobatic feat of rolling or turning end over end

fall down, as if collapsing; "The tower of the World Trade Center tumbled after the plane hit it"

roll over and over, back and forth

fall apart; "the building crimbled after the explosion"; "Negociations broke down"

throw together in a confused mass; "They tumbled the teams with no apparent pattern"

fall suddenly and sharply; "Prices tumbled after the devaluation of the currency"

do gymnastics, roll and turn skillfully