Now, as in Hal's answer, the relative mass of the planet and its star does make the center of mass, the barycenter, of the planet-star system a point that is different from the center of mass of either body alone. This will cause the star to appear to wobble as its planet moves around it.
Gerrymander definition, U.S. Politics. the dividing of a state, county, etc., into election districts so as to give one political party a majority in many districts while concentrating the voting strength of the other party into as few districts as possible. U.S. Politics. to subject (a state, county, etc.) to a gerrymander.
Gerrymandering is the process by which district boundaries are drawn to confer an electoral advantage on one group over another. The term is a portmanteau word formed from the surname of Massachusetts Governor Elbridge Gerry and the salamander shape of the district he approved, which appeared in an 1812 cartoon.