co·spon·sor (kōspŏn′sər)
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Tweet n. A joint sponsor: two senators who were cosponsors of new legislation. tr.v. (kō-spŏnsər) co·spon·sored, co·spon·sor·ing, co·spon·sors To act as a joint sponsor of: corporations that cosponsored a marathon. co·sponsor·ship′ n. |
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