o'clock

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  • Hiker

    Member
    USA
    English / USA
    From the Shorter Oxford English Dictionary:

    1. Of or according to the clock: used to express time...

    2. transf. Used following a numeral to indicate direction or bearing with reference to an imaginary clock-face, twelve o'clock being thought of as directly above or in front of the observer or at the top of a circular target etc.
     
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