What is Interpreter?

Legal Definition
One employed to make a translation. (q v.)

2. An interpreter should be sworn before he translates the testimony of a witness. 4 Mass. 81; 5 Mass. 219; 2 Caines' Rep. 155.

3. A person employed between an attorney and client to act as interpreter, is considered merely as the organ between them, and is not bound to testify as to what be has acquired in those confidential communications. 1 Pet. C. C. R.. 356; 4 Munf. R. 273; 1 Wend. R. 337. Vide Confidential Communications.
-- Bouviers Law Dictionary
Legal Definition
A person sworn at a trial to interpret the evidence of a foreigner or a deaf and dumb person to the court Amory v. Fellowes, 5 Mass. 226; People v. Lem Deo, 132 Cal. 199, 64 Pac. 266.
-- Black's Law Dictionary
Legal Definition
One sworn to interpret the testimony of witness who testifies in a cause.
-- Ballentine's Law Dictionary