Peninsula (noun)

1. A piece of land that is almost completely surrounded by water but is connected to a larger piece of land.
2. A piece of land that extends out into a body of water.
3. A large piece of land that is surrounded by water on three sides.

Origin:

From the latin paeninsula, from paene "almost" + insula "island".

Examples:

1. The Florida peninsula is surrounded by water on three sides.
2. The Baja California peninsula is a popular tourist destination.
3. The Arabian peninsula is a large piece of land that extends out into the Persian Gulf.
4. The city was located on a peninsula.
5. The peninsula was a popular spot for beach vacations.