Definition of lazy jack in English:

lazy jack

Line breaks: lazy jack

noun

Sailing
A small rope extending vertically from the topping lift to the boom for holding a fore-and-aft sail when it is being taken down.
More example sentences
  • Additionally, the lazy jacks prevent the boom and sails from falling all over everyone in the cockpit.
  • The fully battened main has lazy jacks which make raising and lowering the sail a simple task.
  • With lazy jacks it might make sense to run the main halyard and topping lift aft to the cockpit.

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