/ ɪnˈtɜːprɪtə(r); NAmE -ˈtɜːrp-/ noun
1.
a person whose job is to translate what sb is saying into another language :
Speaking through an interpreter , the President said that the talks were going well.
a sign language interpreter (= a person who translates what sb is saying into sign language for deaf people)
—compare translator
2.
a person who performs a piece of music or a role in a play in a way that clearly shows their ideas about its meaning :
She is one of the finest interpreters of Debussy's music.
3.
( computing ) a computer program that changes the instructions of another program into a form that the computer can understand and use
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WORD ORIGIN
late Middle English : from Old French interpreteur , from late Latin interpretator , from Latin interpretari explain, translate, from interpres , interpret- agent, translator, interpreter.