d, that glorious type of omnipotent power,
whether in calm or tempest:--

"Dark, heaving, boundless, endless, and sublime,
The image of Eternity."

In a more limited sense it is divided into--1. The Atlantic Ocean. 2.
The Pacific Ocean. 3. The Indian Ocean. 4. The Southern Ocean.

OCEAN-GOING SHIP. In contradistinction to a coaster.

OCHRAS. A Gaelic term for the gills of a fish.

OCTAGON. A geometrical figure which has eight equal sides and angles.

ODHARAG. The name of the young cormorant in our northern isles.

OE. An island [from the Ang.-Sax.] _Oes_ are violent whirlwinds off the
Faeroe Islands, said at times to raise the water in syphons.

OFERLANDERS. Small vessels on the Rhine and the Meuse.

OFF. The opposite to _near_. Also applied to a ship sailing from the
shore into the open sea. Also, implies abreast of, or near, as "We were
off Cape Finisterre."--_Nothing off!_ The order to the helmsman not to
suffer the ship to fall off from the wind.

OFFAL. Slabs, chips, and refuse of timber, sold in fathom lots at the
dockyards.

OFF AND ON. When a ship beating to windward approaches the shore by one
board, and recedes from it when on the other. Also used to denote an
undecided person. Dodging off a port.

OFF AT A TANGENT. Going in a hurry, or in a testy humour.

OFF DUTY. An officer, marine, or seaman in his watch below, &c. An
officer is sometimes put "off duty" as a punishment.

OFFENCES. Crimes which are not capital, but by the custom of the service
come under the articles of war.

OFFICER. A person having some command. A term applied both in the royal
and mercantile navies to any one of a ship's company who ranks above the
fore-mast men.

OFFICER OF THE DAY. A military officer whose immediate duty is to attend
to the interior economy of the corps to which he belongs, or of those
with which he may be doing duty.

OFFICER OF THE WATCH. The lieutenant or other officer who has charge of,
and commands, the watch.

OFFICERS' EFFECTS. The effects of officers who die on board are not
generally sold; but should they be submitted to auction, the sale is to
be confined entirely amongst the officers.

OFFICIAL LETTERS. All official letters which are intended to be laid
before the commander-in-chief, must be signed by the officers
themselves, specifying their rank under their signatures. All
applications from petty officers, seamen, and marines, relative to
transfer, discharge, or other subjec