tumbling

Từ điển WordNet v3.1 - WordNet Dictionary

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