co-signatory, cosignatory

n ~ (of/to sth) person, state, etc signing jointly with others 连署者（人、 国家等）: The US and the former Soviet Union were co-signatories of/to the treaty. 美国和前苏联都是条约的签署国.

CND, CO, co-, co-op, co op, co-operate, co-operate, cooperate, co-operation, cooperation, co-operative, co-operative, cooperative, co-operatively, co-operator, co-opt, coopt, co-ordinate, co-ordinate clause, co-ordinate, coordinate, co-ordination, co-ordinator, co-pilot, copilot, co-religionist, coreligionist, co-respondent, corespondent, co-star, co-tenant, coach, coachman, coachwork, coagulant, coagulate, coagulation, coal, coal gas, coal oil, coal tar, coal-black, coal-face (also face), coal-hole, coal-mine (also pit), coal-miner, coal-scuttle (also scuttle), coal-seam, coalesce,