Webster's Revised Unabridged Dictionary · 1913

Tumble

Tumble (tum"b'l) , intransitive verb

[Old English tumblen, Anglo-Saxon tumbian to turn heels over head, to dance violently; akin to Dutch tuimelen to fall, Swedish tumla, Danish tumle, Icelandic tumba; and compare German taumeln to reel, to stagger.]

1.
To roll over, or to and fro; to throw one's self about; as, a person in pain tumbles and tosses.
2.
To roll down; to fall suddenly and violently; to be precipitated; as, to tumble from a scaffold.
He who tumbles from a tower surely has a greater blow than he who slides from a molehill. — South
3.
To play tricks by various movements and contortions of the body; to perform the feats of an acrobat. — Rowe
Collocations (1)
To tumble home (Nautical) , to incline inward, as the sides of a vessel, above the bends or extreme breadth; -- used esp. in the phrase tumbling home. Compare Wall-sided.

Tumble , transitive verb

1.
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.
2.
To disturb; to rumple; as, to tumble a bed.

Tumble , noun

Act of tumbling, or rolling over; a fall.