noun.
A piece of land that juts out from a larger land mass and is mostly surrounded by water.
The Century Dictionary and Cyclopedia
noun.
A piece of land almost surrounded by water, and connected with the mainland by a neck or isthmus. The Peninsula is often used absolutely for Spain and Portugal.
the GNU version of the Collaborative International Dictionary of English
noun.
A portion of land nearly surrounded by water, and connected with a larger body by a neck, or isthmus.
noun.
A piece of land projecting into water from a larger land mass.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a large mass of land projecting into a body of water
Word Usage
"Johnson is author of "Barns of Old Mission Peninsula and Their Stories," which earned a 2006 Merit Award from the Historical Society of Michigan for its photos and stories about 104 old barns on the peninsula."