OGEE. In old-pattern guns, the doubly curved moulding added, by way of finish, to several of the rings.

OGGIDENT. Jack's corruption of aguardiente [Sp.], a fiery and very unwholesome spirit.

OIL-BUTT. A name for the black whale.

OILLETS, or Œillets. Apertures for firing through, in the walls of a fort.

OITER. A Gaelic word still in use for a sand-bank.

OJANCO SNAPPER. A tropical fish of the Mesoprion family, frequenting the deep-water banks of the West Indies.

OKE. A Levant weight of 23⁄4 lbs., common in Mediterranean commerce.

OLD COUNTRY. A very general designation for Great Britain among the Americans. The term is never applied to any part of the continent of Europe.

OLD HAND. A knowing and expert person.

OLD HORSE. Tough salt-beef.