Definition of axis
- the Earth's axis
- the axis of a cone
- the axis of a city
- fruit and flowers arranged about a diagonal axis
- an axis of social power
the Earth's axis of rotation
the spin of the Earth on its axis
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'axis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 14th centurySee Words from the same year
where it's at;
: the imaginary straight line that something (such as the Earth) turns around
: a straight line that divides a shape evenly into two parts
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