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

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

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

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.

First Known Use of cosponsor

1849

in the meaning defined above

See Words from the same year
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