Definition of expanse
- an expanse of calm ocean
The explorer gazed across the vast Arctic expanse.
the great explorers who crossed the vast expanses of the seven seas in small ships
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'expanse.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a large and usually flat open space or area
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