verb (used with object)
Examples from the Web for cosponsor
Collins is also a cosponsor of a bill to give same-sex couples equal access to immigrant visas.‘We’re in Trouble’ If Immigration Bill Doesn’t Rack Up 70 Votes|Patricia Murphy|June 13, 2013|DAILY BEAST
She got nine Republicans to cosponsor the bill with her Democrat self.
Massachusetts Sen. Scott Brown is in an especially difficult position as a cosponsor of Blunt.
He speculated that the group came about from “Newt going around the floor, looking for a cosponsor.”Back to the Future: A Democrat Recalls Newt Gingrich’s Moon Plan|Ben Jacobs|January 29, 2012|DAILY BEAST