a long narrow bargelike boat with a beam of 2.1 m (7 ft) or less, used on canals
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
How to use narrow boat in a sentence
A narrow boat, now concealed from view by the dense growth of rushes, had brought her to the spot.Arachne, Complete | Georg Ebers
The long, narrow boat was lowered with half her crew in her.Yankee Ships and Yankee Sailors: Tales of 1812 | James Barnes
Sandal, san′dal, n. a long narrow boat used on the Barbary coast.
Weary of sitting in the narrow boat, he stood up, but he could not stretch himself sufficiently for the change to be of much use.After London | Richard Jefferies
A man, sitting at the stern of a long narrow boat, steers her with a paddle to the middle of a river, and there stops.