|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a narrow strip of land projecting into a sea or lake from the mainland|
|[C16: from Latin, literally: almost an island, from paene|
|usage The noun peninsula is sometimes confused with the adjective peninsular: the Iberian peninsula (not peninsular)|
|peninsula (pə-nĭn'syə-lə) Pronunciation Key
A piece of land that projects into a body of water and is connected with a larger landmass.
A body of land enclosed on three sides by water, jutting out from a larger body of land.