plural of testis / plural of teste

(informal, slang, body building) testosterone

To challenge. / To refine (gold, silver, etc.) in a test or cupel; to subject to cupellation.

(obsolete) A witness.

(obsolete, transitive) To attest (a document) legally, and date it. / (obsolete, intransitive) To make a testament, or will.

plural of test

The act of conducting a test; trialing, proving.

Difficult; tough.

present participle of test

(law) A witness. / The witnessing or concluding clause, duty attached; said of a writ, deed, etc.