signatory

1.Britain is a signatory to the convention.

英该条约签署。

2.the signatory powers to a treaty

条约签字, 缔约

3.the signatory parties to a contract.

一个合约签约各方

4.the writ cited only four of the signatories of the petition.

令状只传唤了四个在请愿书上签了名人。