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 used most often in favor of ruling incumbents or a specific political partyâthe one drawing the map. Societies whose legislatures use a single-winner voting system are the most likely to have political parties that gerrymander for advantage.