-like substances on fresh water;
they deserve to be more studied, for some, as dulse, laver, badderlocks,
&c., are eatable, and others are useful for manure.

ALGEBRA. A general method of resolving mathematical problems, by means
of equations, or rather computing abstract quantities by symbols or
signs; a literal arithmetic.

ALGENIB. A principal star ({g}) in Pegasus.

ALGERE. A spear used by fishermen in olden times.

ALGIER DUTY. An imposition laid on merchants' goods by the Long
Parliament, for the redemption of captives in the Mediterranean.

ALGOL. A wonderful variable star in Perseus, which goes through its
changes in about two days and twenty-one hours.

ALGOLOGY. Scientific researches into the nature of sea-plants.

ALGORAB. A star taking rank as the {a} of Corvus, but its brightness of
late is rivalled by {b} Corvi.

ALHIDADE. An Arabic name for the index or fiducial of an astronomical or
geometrical instrument, carrying sight or telescope; used by early
navigators. A rule on the back of a common astrolabe, to measure
heights, &c.

ALIEN. Generally speaking, one born in a foreign country, out of the
king's allegiance; but if the parents be of the king's obedience, the
child is no alien. An alien enemy, or person under the allegiance of the
state at war with us, is not _generally_ disabled from being a witness
in admiralty courts; nor are debts due to him forfeited, but only
suspended.--_Alien's duty_, the impost laid on all goods imported into
England in foreign bottoms, over and above the regular customs.

ALIGNMENT. An imaginary line, drawn to regulate the order of a squadron.

ALIQUOT PART. That which will exactly divide a number, leaving no
remainder.

ALL. The total quantity; quite; wholly.--_All aback_, when all the sails
are taken aback by the winds.--_All ahoo_, or _all-a-ugh_, confused;
hanging over; crooked.--_All-a-taunt-o_, a ship fully rigged, with masts
in and yards crossed.--_All hands_, the whole ship's company.--_All
hands ahoy_, the boatswain's summons for the whole crew to repair on
deck, in distinction from the watch.--_All hands make sail!_ the
cheering order when about to chase a strange vessel.--_All hands to
quarters!_ the call in armed merchantmen, answering to the _Beat to
quarters_ in a man-of-war.--_All in the wind_, when a vessel's head is
too close to the wind, so that all her sails are shivering.--_All over_,
resemblance to a particular object, as a ship in bad kelt