Definition of cockboat in English:

cockboat

noun

  • A small boat towed behind a larger vessel.

    • ‘He climbed into the cockboat and sat silently waiting, making the coxswain fiddle around nervously.’
    • ‘The captain was about to head back to the cockboat when he felt a small hand reaching towards his purse.’
    • ‘The United States should act alone, he declared, rather than ‘come in as a cockboat in the wake of the British man-of-war.’’

Origin

Late Middle English: from obsolete cock ‘small boat’ (from Old French coque, based on Latin caudex, codex block of wood) + boat.

Pronunciation:

cockboat

/ˈkɒkbəʊt/