Search Result for "back circle":
Wordnet 3.0

NOUN (1)

1. a feat in which an acrobat arches the back from a prone position and bends the knees until the toes touch the head; 



WordNet (r) 3.0 (2006):

back circle
    n 1: a feat in which an acrobat arches the back from a prone
         position and bends the knees until the toes touch the head