Definition of peninsula
- the Italian peninsula
They built their house on a narrow peninsula.
the peninsula is constantly buffeted by storms
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'peninsula.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: circa 1552See Words from the same year
: a piece of land that is almost entirely surrounded by water and is attached to a larger land area
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