Gangway. The place where people come aboard. An opening in a vessel’s side. Room to pass.
Garboard strakes. The planks next to the keel on a boat’s bottom.
Gasket. A lashing of rope or a strip of canvas used to secure sails, etc.
Go about. To tack. To alter the course so the sail fills on the other side.
Grapnel. A four-pronged anchor.
Griping. Carrying a hard weather helm.
Grommet. A ring of rope. A metal ring used in place of an eyelet in a sail.
Ground tackle. The anchor, cable and fittings.
Halyards or Halliards. Ropes used to hoist sails.
Handsomely. Carefully, smartly.