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noun [countable] letter pronunciation in American English /ˈletər/
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singularletter
pluralletters
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  1. 1
    a message that you write on a piece of paper and send to someone
    write a letter: Most of the soldiers wrote long letters home.
    send (someone) a letter: I sent them a letter complaining about it.
    get/receive a letter from someone: I get letters from them every week.
    letter to: a letter to a friend
    letter of: a letter of resignation/recommendation

phrases

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a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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