Akademik

tumbling
noun
the gymnastic moves of an acrobat (Freq. 1)
Syn: ↑acrobatics
Derivationally related forms: ↑tumble, ↑acrobatic (for: ↑acrobatics)
Hypernyms: ↑gymnastics, ↑gymnastic exercise
Part Meronyms: ↑acrobatic stunt, ↑acrobatic feat

Useful english dictionary. 2012.