Taí·na·ron (t??n?-rôn?, t??nä-), CapeFormerly Cape Mat·a·pan (m?t??-p?n?) A cape at the southernmost point of mainland Greece. The British won an important naval battle against the Italians off Cape Taínaron in 1941.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.