towboat

/ˈtoʊˌboʊt/
noun
  1. A small, powerful boat used to push or pull larger vessels, such as barges, on rivers or canals.
    • The towboat guided the barge through the narrow channel.
    • Towboats are essential for moving cargo on the Mississippi River.
    • We watched a towboat push a line of barges upstream.
Synonyms
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