Tumbling

a. & vb. n

1.

a. & vb. n. from Tumble, v. Tumbling barrel Same as Rumble, n., 4. Tumbling bay an overfall, or weir, in a canal.

Noun	1.	tumbling - the gymnastic moves of an acrobat Synonyms: acrobatics
Adj.	1.	tumbling - moving in surges and billows and rolls; "billowing smoke from burning houses"; "the rolling fog"; "the rolling sea"; "the tumbling water of the rapids" Synonyms: billowing, rolling
	2.	tumbling - pitching headlong with a rolling or twisting movement; "a violent tumbling fall"

falling