o'clock

adverb

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o'·clock | \ ə-ˈkläk

, ō- \

Definition of o'clock

1 : according to the clock the time is three o'clock

2 —used for indicating position or direction as if on a clock dial that is oriented vertically or horizontally an airplane approaching at six o'clock

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Examples of o'clock in a Sentence

Recent Examples on the Web Twelve o'clock high: WWII-era B-17 coming to Indy for flights, tours next month The Indianapolis-to-Phoenix flight is one of 28 new routes Allegiant announced this week nationwide. — Fox59, Indianapolis Star, 20 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'o'clock.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.