cosponsor

noun co·spon·sor \ (ˌ)kō-ˈspän(t)-sər \

variants: or co-sponsor

|Updated on: 16 Aug 2018

Definition of cosponsor

plural cosponsors or co-sponsors

: a joint sponsor

The senator was a cosponsor for both bills.

Michigan Tech Student Relay For Life is a participating cosponsor of this event.
—The Daily Mining Gazette

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cosponsor

or co-sponsor transitive verb cosponsored or co-sponsored; cosponsoring or co-sponsoring

- This year Simpson is carrying on the legislative struggle without Mazzoli, who has declined to cosponsor the bill without support from the Democratic House leadership …
- —George Russell
- The following summer, Bingham returned to Machu Picchu with an expedition co-sponsored by the National Geographic Society.
- —Duane Damon

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cosponsorship

play \(ˌ)kō-ˈspän(t)-sər-ˌship\ or co-sponsorship noun

- Increasingly, large urban malls are being built with the co-sponsorship of city governments.
- —Witold Rybczynski

Recent Examples of cosponsor from the Web

Keating has a bipartisan roster of a dozen cosponsors, including four Republicans and much of the Massachusetts delegation.

— shirley leung, BostonGlobe.com, "In Taunton, a gamble that has yet to pay off," 6 Apr. 2018
The multiple new pieces of legislation aimed at regulating tech platforms, including a new consumer privacy protection act, have attracted few Republican cosponsors, and the bills have yet to receive a single hearing.

— casey newton, The Verge, "Congress roasted Facebook on TV, but won’t hear any bills to regulate it," 7 June 2018
Booker introduced the legislation last August and Democratic New York Sen. Kirsten Gillibrand signed on earlier this year to be a cosponsor.

— daniella diaz, CNN, "Harris says she'll back Booker's legislation to legalize marijuana," 10 May 2018
Northwest Side aldermen Ariel Reboyras, 30th, and Nick Sposato, 38th, are cosponsors.

— john byrne, chicagotribune.com, "Alderman's proposal would once again allow pigeon racing in Chicago," 28 June 2018
Along with 35 bipartisan cosponsors in the House and Senate, the CTA is also supported by over 130 organizations, including community colleges, land-grant universities and the U.S. Chamber of Commerce.

— alison griffin, Washington Post, "Congress needs to lift restrictions on collecting college student data," 14 June 2018
That helps explain why the bills have attracted so few Republican cosponsors.

— casey newton, The Verge, "Congress roasted Facebook on TV, but won’t hear any bills to regulate it," 7 June 2018
Gillibrand is the lead sponsor of the Senate version of the Congressional Harassment Reform Act, which has 30 bipartisan cosponsors and was expected to be the starting point for the language in the bill.

— deirdre shesgreen and eliza collins, USA TODAY, "What's in – and what's out – of the $1.3 trillion spending bill," 21 Mar. 2018
Donnelly, who cites his faith in his decision to cosponsor, is Catholic.

— justin l. mack, Indianapolis Star, "Sen. Joe Donnelly cosponsoring bill to fight separation of families at the border," 18 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cosponsor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.