pivot (
http://definr.com/pivot)
n 1: the person in a rank around whom the others wheel and
maneuver [syn:
pivot man]
2: axis consisting of a short shaft that supports something
that turns [syn:
pin]
3: the act of turning on (or as if on) a pivot; "the golfer
went to the driving range to practice his pivot"
v : turn on a pivot [syn:
swivel]