An"gle (ă?"g'l), n. [F.
angle, L. angulus angle, corner; akin to uncus hook,
Gr. 'agky`los bent, crooked, angular, 'a`gkos a bend
or hollow, AS. angel hook, fish-hook, G. angel, and F.
anchor.] 1. The inclosed space near the point
where two lines meet; a corner; a nook.
Into the utmost angle of the world.
Spenser.
To search the tenderest angles of the heart.
Milton.
2. (Geom.) (a) The figure
made by. two lines which meet. (b) The
difference of direction of two lines. In the lines meet, the point of
meeting is the vertex of the angle.
3. A projecting or sharp corner; an angular
fragment.
Though but an angle reached him of the stone.
Dryden.
4. (Astrol.) A name given to four of the
twelve astrological "houses." [Obs.] Chaucer.
5. [AS. angel.] A fishhook; tackle for
catching fish, consisting of a line, hook, and bait, with or without a
rod.
Give me mine angle: we 'll to the river there.
Shak.
A fisher next his trembling angle bears.
Pope.
Acute angle, one less than a right angle, or less
than 90°. -- Adjacent or Contiguous
angles, such as have one leg common to both angles. --
Alternate angles. See Alternate. --
Angle bar. (a) (Carp.) An
upright bar at the angle where two faces of a polygonal or bay window
meet. Knight. (b) (Mach.) Same as
Angle iron. -- Angle bead (Arch.),
a bead worked on or fixed to the angle of any architectural work, esp.
for protecting an angle of a wall. -- Angle brace,
Angle tie (Carp.), a brace across an interior
angle of a wooden frame, forming the hypothenuse and securing the two side
pieces together. Knight. -- Angle iron
(Mach.), a rolled bar or plate of iron having one or more
angles, used for forming the corners, or connecting or sustaining the sides
of an iron structure to which it is riveted. -- Angle
leaf (Arch.), a detail in the form of a leaf, more or
less conventionalized, used to decorate and sometimes to strengthen an
angle. -- Angle meter, an instrument for
measuring angles, esp. for ascertaining the dip of strata. --
Angle shaft (Arch.), an enriched angle bead,
often having a capital or base, or both. -- Curvilineal
angle, one formed by two curved lines. --
External angles, angles formed by the sides of any
right-lined figure, when the sides are produced or lengthened. --
Facial angle. See under Facial. --
Internal angles, those which are within any right-
lined figure. -- Mixtilineal angle, one formed
by a right line with a curved line. -- Oblique
angle, one acute or obtuse, in opposition to a right
angle. -- Obtuse angle, one greater than a
right angle, or more than 90°. -- Optic angle.
See under Optic. -- Rectilineal or
Right-lined angle, one formed by two right
lines. -- Right angle, one formed by a right
line falling on another perpendicularly, or an angle of 90° (measured
by a quarter circle). -- Solid angle, the figure
formed by the meeting of three or more plane angles at one point. --
Spherical angle, one made by the meeting of two arcs
of great circles, which mutually cut one another on the surface of a globe
or sphere. -- Visual angle, the angle formed by
two rays of light, or two straight lines drawn from the extreme points of
an object to the center of the eye. -- For Angles of
commutation, draught,
incidence, reflection,
refraction, position,
repose, fraction, see
Commutation, Draught, Incidence, Reflection,
Refraction, etc.