Dictionary

o'clock

adverb o'·clock \ə-ˈkläk, ō-\

: according to the clock

Full 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>

Origin of O'CLOCK

contraction of of the clock
First Known Use: 1535
O'CLOCK Defined for Kids

o'clock

adverb o'·clock \ə-ˈkläk\

Definition of O'CLOCK for Kids

:  according to the clock <The time is one o'clock.>

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