1. plural of cosponsor; persons or organizations that jointly sponsor something, especially a bill or legislative proposal
Usage: commonly used in legislative and political contexts

1. third-person singular present tense of cosponsor; to sponsor jointly with another person or organization
Usage: transitive verb

Examples

• The bill has ten cosponsors from both parties.
• Senator Smith cosponsors the education reform act with three colleagues.
• Multiple organizations cosponsors the annual community festival.
• The cosponsors of the legislation met to discuss amendments.
• She cosponsors several charitable events throughout the year.
• The event cosponsors include local businesses and nonprofits.