What does "swifter" mean?

Swifter: (a) A rope used to retain the bars of the capstan in their sockets while men are turning it. (b) A rope used to encircle a boat longitudinally, to strengthen and defend her sides. (c) The forward shroud of a lower mast.

Additional senses

  1. 2.To tighten, as slack standing rigging, by bringing the opposite shrouds nearer.

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