Real Dictionary

acrobat
countable noun: An acrobat is an entertainer who performs difficult physical acts such as jumping and balancing, especially in a circus.

acrobat in American English
an expert performer of tricks in tumbling or on the trapeze, tightrope, etc.; skilled gymnast
noun: a skilled performer of gymnastic feats, as walking on a tightrope or swinging on a trapeze

acrobat in British English
noun: an entertainer who performs acts that require skill, agility, and coordination, such as tumbling, swinging from a trapeze, or walking a tightrope