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Webster 1913 Edition

Noun.

One who rigs or dresses; one whose occupation is to fit the rigging of a ship.

A cylindrical pulley or drum in machinery.

[R.]

Noun.

One that rigs or dresses; one whose occupation is to fit the rigging of a ship.

rigger ‎(plural riggers)

One who rigs or dresses; one whose occupation is to fit the rigging of a ship or of a counterweight system.
A part of a rowing boat's equipment used to provide leverage for a rowing blade or oar around a fixed fulcrum.
A cylindrical pulley or drum in machinery.
(New Zealand) A plastic bottle of beer, typically between 1 L to 2.5 L volume.
A long, slender, pointed sable paintbrush for making fine lines, etc.; said to be so called from its use for drawing the lines of the rigging of ships.