Dictionary.com
definitions

Ionian Sea

noun
  1. an arm of the Mediterranean between S Italy, E Sicily, and Greece.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for ionian sea

Ionian Sea

noun
  1. the part of the Mediterranean Sea between SE Italy, E Sicily, and Greece
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012