rotate

(verb) turn on or around an axis or a center. Synonyms: revolve, go around. Examples: "The earth revolves around the sun." "The lamb roast rotates on a spit over the fire."

(verb) exchange on a regular basis. Example: "We rotate the lead soprano every night."

(verb) perform a job or duty on a rotating basis. Example: "Interns have to rotate for a few months."

(verb) cause to turn on an axis or center. Synonyms: circumvolve. Example: "Rotate the handle."

(verb) turn outward. Synonyms: turn out, splay, spread out. Examples: "These birds can splay out their toes." "Ballet dancers can rotate their legs out by 90 degrees."

(verb) plant or grow in a fixed cyclic order of succession. Example: "We rotate the crops so as to maximize the use of the soil."