Definition of "waffle iron" []

• An appliance having hinged indented plates that impress a grid pattern into waffle batter as it bakes. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In 1970, University of Oregon track coach Bill Bowerman poured liquid urethane into a waffle iron in his garage, and running shoes have never been the same."