arries nearly 50 lbs. But _heavy marching_ order, which was yet
heavier, is now happily abolished.

MARCO-BANCO. An imaginary coin of Hamburg commerce, equal to 1_s._
5-3/4_d._ sterling.

MARE'S TAILS. A peculiar modification of the cirrus, indicating wind.

MARGIN LINE. A line or edge parallel to the upper side of the wing
transom, and just below it, where the butts of the after bottom planks
terminate.

MARINARIUS. An old statute term for a mariner or seaman.

MARINATE, TO. To salt fish, and afterwards preserve it in oil or
vinegar.

MARINE. Belonging to the sea. It is a general name for the royal or
mercantile navy of any state; also the whole economy of nautical
affairs.

MARINE BAROMETER. A barometer, the tube of which is contracted in one
part to prevent the sudden oscillations of the mercury by the ship's
motion.

MARINE BOARDS. Establishments at our different ports for carrying into
effect the provisions of the Merchant Shipping Act.

MARINE BUILDINGS. Those constructed for making or preserving ships, as
docks, arsenals, store-houses, &c.

MARINE CLOTHING-ROOM. A compartment of the after-platform, to receive
the clothes and stores of the royal marines.

MARINE ENGINES. Those steam engines which are used to propel ships,
whether on the ocean or in rivers, in contradistinction to locomotives
on shore.

MARINE GLUE, OR JEFFREY'S GLUE. A well-known adhesive composition of
great importance in ship carpentry, and in various nautical uses. The
substance is said to consist of caoutchouc, gum, and mineral oil.

MARINE INSURANCE. A contract by which an individual or a company agree
to indemnify the losses or damages happening to a ship or cargo during a
voyage. For this agreement the ship-owner pays a sum in advance, called
the premium, which falls to the insurer in case the ship arrives safe in
a specified harbour. If the ship or cargo, however, be lost by default
of the person insured, the insurer shall not be accountable. Among the
Romans, the state made good losses by shipwreck, which occasioned many
frauds. It is mentioned in the laws of Oleron, but was regulated under
its present bearings in England in 1601.

MARINE LAGOON. A lake or inlet formed by the encroachments of the sea,
and the deposits of fluviatile action.

MARINE OFFICER. An officer of the Royal Marines. Jocularly and witlessly
applied to an empty bottle, as being "useless;" but better rendered as
having "done its duty, and ready to d