A popular term used to describe the increase in average global temperatures due to the greenhouse effect.

Any small enclosed space in which unwanted items are stowed when clearing up decks.

Steward's quarters.

Gearless

A method of drying natural gas.

Global Maritime Distress and Safety System.Mainly a radio communication system which will take advantage of latest technology to enhance safety and allow the ships to sail without radio officer. Implemented since 1992, it should be fully operational by 1 ...

Greenwich Mean Time. Now mostly replaced by UTC or Z.

Greenwich Mean Time (Universal/Zulu Time)

Grain

General Conditions

Gross National Product: GDP plus the net income accruing from foreign sources.

Global Navigational Satellite System

Global Navigation Satellite System

Gas Oil

To turn the boat head-to-wind so as to go about on the opposite tack

To break loose from a mooring, anchor or docking.

Break loose.

The purchase of a security, commodity or financial instrument (e.g. shares) in the belief that.

See 'short.