1. A long, narrow boat with a flat bottom, typically used for living on or traveling along canals and inland waterways, especially in the United Kingdom.
Usage: chiefly British; also called a canal boat

Examples

• They spent the summer traveling through England on a narrowboat.
• The narrowboat was painted in bright traditional colors.
• Many people live permanently on narrowboats moored along the canal.
• The narrowboat had to navigate through several locks to reach the next town.
• She rented a narrowboat for a week-long holiday with her family.
• The narrowboat's compact design makes it perfect for narrow waterways.