a secret word or phrase known only to a restricted group
同义词：passwordwatchwordwordparole
a second confirming signature endorsing a document already signed
同义词：countersignature
countersigns例句
Signs and countersigns In the Event: Indigenous Countersigns and the Ethnohistory of Voyaging Communication model, counter sign signal, method, and device GPs Decide Not To Countersign Applications For Gun Licences A digital contract countersign service platform oriented to supply chain market Art. 74 of Constitution of Japan and "an influence of afterglow of countersign under the former Constitution" Daniel Libeskind : countersign Daniel Libeskind : Countersign Countersign / Starting out - I felt pressured to countersign for controlled medications: Student experiences in the real world of nursing
