n. (Abbr. Pen.)
A piece of land that projects into a body of water and is connected with the mainland by an isthmus.
[Latin paenīnsula : paene, almost + īnsula, island.]
peninsular pen·in'su·lar adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
