an electric iron with a water chamber, which emits steam onto the fabric or garment being ironed.
Origin of steam iron
First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
an electric iron that emits steam from channels in the iron face to facilitate the pressing and ironing of clothes, etc, the steam being produced from water contained within the iron
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