GROG-BLOSSOM. A red confluence on the nose and face of an excessive drinker of ardent spirits; though sometimes resulting from other causes.
GROG-GROG. The soft cry of the solan goose.
GROGGY, or Groggified. Rendered stupid by drinking, or incapable of performing duty by illness; as also a ship when crank, and birds when crippled.
GROGRAM. From gros-grain. A coarse stuff of which boat-cloaks were made. From one which Admiral Vernon wore, came the term grog.
GROINING. A peculiar mode of submarine embankment; a quay run out transversely to the shore.
GROMAL. An old word for gromet, or apprentice.
GROMET. A boy of the crew of the ships formerly furnished by the Cinque Ports (a diminutive from the Teutonic grom, a youth); his duty was to keep ship in harbour. Now applied to the ship's apprentices.
GROMMET, or Grummet. A ring formed of a single strand of rope, laid in three times round; used to fasten the upper edge of a sail to its stay in different places, and by means of which the sail is hoisted or lowered. Iron or wooden hanks have now been substituted. (See [Hanks].) Grommets are also used with pins for large boats' oars, instead of rowlocks, and for many other purposes.
GROMMET-WAD. A ring made of 11⁄2 or 2 inch rope, having attached to it two cross-pieces or diameters of the same material; it acts by the ends of these pieces biting on the interior of the bore of the gun.
GROOVE-ROLLERS. These are fixed in a groove of the tiller-sweep in large ships, to aid the tiller-ropes, and prevent friction.