The definition of an acrobat is a gymnast who performs tricks while tumbling or suspended in the air.
Examples of acrobats are the Cirque du Soleil performers.
An expert performer of tricks in tumbling or on the trapeze, tightrope, etc.; skilled gymnast.
One who is skilled in feats of balance and agility in gymnastics.
Document exchange software from Adobe that allows documents to be displayed and printed the same on every computer. The Acrobat system created the Portable Document Format (PDF), which is widely used in commercial printing and on the Web. See PDF.
One who changes one's viewpoint on short notice in response to the circumstances.
Origin of acrobat
From American Heritage Dictionary of the English Language, 5th Edition