Swifter(n.) A rope used to retain the bars of the capstan in their sockets while men are turning it.
Swifter(n.) A rope used to encircle a boat longitudinally, to strengthen and defend her sides.
Swifter(n.) The forward shroud of a lower mast.
Swifter(v. t.) To tighten, as slack standing rigging, by bringing the opposite shrouds nearer.

Words within swifter