johnboat

or john boat, jon·boat, jon boat

[ jon-boht ]
/ ˈdʒɒnˌboʊt /

noun

a light, square-ended, flat-bottomed skiff, used in shallow water.

Origin of johnboat

1900–05, Americanism; probably John (the given name) + boat; compare joeboat, name for the same type of craft
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019