Having a passive from and an active meaning: used of certain Latin verbs.

【文法】异态动词的；有被动之形而具有主动之意的(指拉丁语中之某种动词而言)。

A deponent verb.

【文法】异态动词(有被动之形而具主动之意)。

A witness who makes a sworn statement, usually in writing.

【法律】宣誓证人(常以书面)。