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.
This practice, also called affirmative gerrymandering, was supposed to redress historic discrimination and ensure that ethnic minorities would gain some seats and representation in government; in some states, bipartisan gerrymandering is the norm.