noun pen·in·su·la \pə-ˈnin(t)-s(ə-)lə, -shə-lə\

: a piece of land that is almost entirely surrounded by water and is attached to a larger land area

Full Definition of PENINSULA

:  a portion of land nearly surrounded by water and connected with a larger body by an isthmus; also :  a piece of land jutting out into the water whether with or without a well-defined isthmus
pen·in·su·lar \-s(ə-)lər, -shə-lər\ adjective

Examples of PENINSULA

  1. They built their house on a narrow peninsula.
  2. <the peninsula is constantly buffeted by storms>


Latin paeninsula, from paene almost + insula island
First Known Use: 1538

Related to PENINSULA

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale
PENINSULA Defined for Kids


noun pen·in·su·la \pə-ˈnin-sə-lə\

Definition of PENINSULA for Kids

:  a piece of land extending out into a body of water
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