I·da (??d?), Mount A peak, 2,456 m (8,058 ft) high, of central Crete. It is the highest elevation on the island and in ancient times was closely associated with the worship of Zeus.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.