- having a paddle wheel on each side, as a steamboat.
Origin of side-wheel
First recorded in 1855–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a vessel, esp a river boat, propelled by two large paddle wheels, one on each sideCompare stern-wheeler
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