degrees they subtend, to 360 deg., or the
whole circumference of a circle. Angles are acute, obtuse, right,
curvilinear, rectilinear, &c. (all of which see).

ANGLE-DOG, OR ANGLE-TWITCH. A large earth-worm, sought for bait.

ANGLE-IRONS. Certain strips of iron having their edges turned up at an
angle to each other; they are of various sizes, and used for the ribs
and knees of the framing of iron vessels.

ANGLE OF COMMUTATION. The difference between the heliocentric longitudes
of the earth and a planet or comet, the latter being reduced to the
ecliptic.

ANGLE OF ECCENTRICITY. An astronomical term denoting the angle whose
sine is equal to the eccentricity of an orbit.

ANGLE OF ELEVATION. _See_ ELEVATION.

ANGLE OF INCIDENCE. _See_ INCIDENCE.

ANGLE OF LEE-WAY. The difference between the apparent compass-course and
the true one--arising from lateral pressure and the effect of sea when
close-hauled. It is not applicable to courses when the wind and sea are
fair.

ANGLE OF POSITION. A term usually confined to double stars, to
distinguish the line of bearing between them when they are apparently
very near to each other.

ANGLE OF REFLECTION. _See_ REFLECTION.

ANGLE OF SITUATION. This was formerly called the _angle of position_,
and is also termed the _parallactic angle_ (which see).

ANGLE OF THE CENTRE. In fortification, the angle formed at the centre of
the polygon by lines drawn from thence to the points of two adjacent
bastions.

ANGLE OF THE SHOULDER. _See_ EPAULE.

ANGLE OF THE VERTICAL. The difference between the geographical and
geocentric latitudes of a place upon the earth's surface.

ANGLER. A fisherman, or one who angles for recreation rather than
profit. Also a species of _Lophius_ or toad-fish; from its ugliness and
habits called also the _sea-devil_. It throws out feelers by which small
fry are enticed within its power.

ANGLES OF TIMBERS. _See_ BEVELLING.

ANGLING. The practice of catching fish by means of a rod, line, hook,
and bait, which by its mixture of idleness and chance forms recreation;
but however simple the art appears, it requires much nicety.

ANGON. A javelin formerly used by the French, the point of which
resembled a _fleur-de-lis_: it is also generally applied to the
half-pike or javelin.

ANGOSIADE. An astronomical falsehood; a term originating from the
pretended observations of D'Angos at Malta.

ANGRA [Sp.] Bay or inlet.--_Angra grande_, _pequena_, &c., on the c