oclock

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o'clock / əˈkläk/ • adv. used to specify the hour in telling time: the gates will open at eight o'clock. ∎  used following a numeral to indicate direction or bearing with reference to an imaginary clock face, 12 o'clock being thought of as directly in front or overhead, or at the top of a circular target, etc.: "I think we've got some action at 11 o'clock," he said, gesturing toward the eastern plains.