rotate

v 1: turn on or around an axis or a center; "The Earth revolves

around the Sun"; "The lamb roast rotates on a spit over

the fire" [syn: {revolve}, {go around}]

2: exchange on a regular basis; "We rotate the lead soprano

every night"

3: perform a job or duty on a rotating basis; "Interns have to

rotate for a few months"

4: cause to turn on an axis or center; "Rotate the handle"