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