Peninsula definition

pə-nĭnsyə-lə, -sə-lə
A piece of land that juts out from a larger land mass and is mostly surrounded by water.
noun
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A land area almost entirely surrounded by water and connected with the mainland by an isthmus.
noun
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A piece of land that projects into a body of water and is connected with a larger landmass.
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Any land area projecting out into water.
noun
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The definition of a peninsula is an area of land surrounded by water on three sides.

An example of a peninsula is the Iberian Peninsula.

noun
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(geography) A piece of land projecting into water from a larger land mass.
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Other Word Forms

Noun

Singular:
peninsula
Plural:
peninsulas

Origin of peninsula

  • Latin paenīnsula paene almost īnsula island

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin paenÄ«nsula, from paene (“almost"), and Ä«nsula (“island").

    From Wiktionary