a person who provides an oral translation between speakers who speak different languages.
3.
Computers.
a.
hardware or software that transforms one statement at a time of a program written in a high-level language into a sequence of machine actions and executes the statement immediately before going on to transform the next statement. Compare compiler(def. 2).
b.
an electromechanical device that reads the patterns of holes in punched cards and prints the same data on the cards, so that they can be read more conveniently by people.
Origin: 1350–1400; ME interpretour < AF; see interpret, -er2
One who translates orally from one language into another.
One who gives or expounds an interpretation: "An actor is an interpreter of other men's words, often a soul which wishes to reveal itself to the world"(Alec Guinness).
Computer Science A program that translates an instruction into a machine language and executes it before proceeding to the next instruction.
[in-tur-pri-ter] 
prɪ