1530s, from Latin pæninsula "a peninsula," literally "almost an island," from pæne "almost" + insula "island" (see isle). Earlier translated as demie island.
peninsulas in Science
peninsula
(pə-nĭn'syə-lə) A piece of land that projects into a body of water and is connected with a larger landmass.
peninsulas in Culture
peninsula definition
A body of land enclosed on three sides by water, jutting out from a larger body of land.