GAFF - The spar ON the upper edge of a sail. A long hook with a sharp point to haul fish in.

GALLEY - The kitchen area of a marine vessel.

GANGPLANK - a movable bridge used in boarding or leaving a marine vessel at a pier.

GANGWAY - The area of a marine vessel's side where people board and disembark.

GARBOARD - The strake closest to the keel

GEAR - A general term for ropes, blocks, tackle and other equipment.

GIVE-WAY VESSEL - A term used to describe the vessel which must yield in meeting, crossing, or overtaking situations.

GOLF - - Letter G in the Marine Radio Alphabet.

GPS - Global Positioning System - A satellite based navigation system providing worldwide coverage.

GRAB RAILS - Hand-hold fittings mounted on cabin tops and sides for personal safety when moving around the marine vessel.

GROG - Watered down rum. Yuk!

GROUND TACKLE - A collective term for the anchor and its associated gear.

GUNWALE - The upper edge of a marine vessel's hull.