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ddice fly. These larvæ generally live in cylindrical cases, open at each end, and covered externally with pieces of broken shells, gravel, bits of wood, etc. They are a favorite bait with anglers. Called also caddice worm, or caddis worm. Caddice fly (Zoöl.), a species of trichopterous insect, whose larva is the caddic…

a prism of a peculiar form, or an arrangement of mirrors, causes an apparent image of an external object or objects to appear as if projected upon a plane surface, as of paper or canvas, so that the outlines may conveniently traced. It is generally used with the microscope.

An apparatus in which the image of an external object or objects is, by means of lenses. thrown upon a sensitized plate or surface placed at the back or an extensible darkened box or chamber variously modifled; -- commonly called simply the camera.

An outer or external angle.

A lynx (Felis, or Lynx, caracal.) It is a native of Africa and Asia. Its ears are black externally, and tipped with long black hairs.

ge-brown substance, with strong, penetrating odor, found in two sacs between the anus and external genitals of the beaver; castor; -- used in medicine as an antispasmodic, and by perfumers.

A soft and moist substance applied externally to some part of the body; a poultice. Dunglison.

An unctuous preparation for external application, of a consistence intermediate between that of an ointment and a plaster, so that it can be spread upon cloth without the use of heat, but does not melt when applied to the skin.

Relating to ceremony, or external rite; ritual; according to the forms of established rites. Ceremonial observances and outward show. Hallam.

Adherence to external rites; fondness for ceremony.

The yellow, waxlike secretion from the glands of the external ear; the earwax.

retion, consisting mainly of urate of sodium, found in and about the small joints, in the external ear, and in other situations, in those affected with gout; a tophus.

A venereal sore, resembling a chancre in its seat and some external characters, but differing from it in being the starting point of a purely local process and never of a systemic disease; -- called also soft chancre.

A tool with several points, used for cutting or finishing screw threads, either external or internal, on work revolving in a lathe.

, resin, etc., and is extensively used to produce anæsthesia in surgical operations; also externally, to alleviate pain.

The external surface of a sphere, or of any orbicular body.

The external male organ of trematodes and some other worms, and of certain Mollusca.

a slowly revolving disk, usually regulated by clockwork, by means of wich the action of external agents, as light and gravity, on growing plants may be regulated or eliminated.

An external covering like a garment, as fur, skin, wool, husk, or bark; as, the horses coats were sleek. Fruit of all kinds, in coat Rough or smooth rined, or bearded husk, or shell. Milton.

A quoin; a corner or external angle; a wegde. See Coigne, and Quoin.