n. [ Gr. &unr_; double + &unr_; image + -scope. ] (Astron.) An instrument for determining the time of apparent noon. It consists of two mirrors and a plane glass disposed in the form of a prism, so that, by the reflections of the sun's rays from their surfaces, two images are presented to the eye, moving in opposite directions, and coinciding at the instant the sun's center is on the meridian. [ 1913 Webster ]

n. (Biol.) Lifeless matter deposited in the form of minute granules within the protoplasm of living cells. [ 1913 Webster ]

‖n. [ NL., fr. Gr. 'epi` upon + &unr_; a little key. ] (Anat.) A projection, formed by a separate ossification, at the scapular end of the clavicle of many birds. [ 1913 Webster ]

‖n.; pl. L. Hypocleida E. Hypocleidiums [ NL., fr. Gr. &unr_; under + &unr_; a little key. ] (Anat.) A median process on the furculum, or merrythought, of many birds, where it is connected with the sternum. [ 1913 Webster ]

{ } [ Gr. &unr_; beautiful + &unr_; appearance, form + &unr_; sound. ] (Physics.) An instrument invented by Professor Wheatstone, consisting of a reflecting knob at the end of a vibrating rod or thin plate, for making visible, in the motion of a point of light reflected from the knob, the paths or curves corresponding with the musical notes produced by the vibrations. [ 1913 Webster ]

n. [ Gr. &unr_; beautiful + e'i^dos form + -scope. ] An instrument invented by Sir David Brewster, which contains loose fragments of colored glass, etc., and reflecting surfaces so arranged that changes of position exhibit its contents in an endless variety of beautiful colors and symmetrical forms. It has been much employed in arts of design. [ 1913 Webster ]

Shifting like the fragments of colored glass in the kaleidoscope. G. W. Cable.

{ } a. Of, pertaining to, or formed by, a kaleidoscope; variegated. [ 1913 Webster ]

n. [ F. ophicléide, fr. Gr. 'o`fis a serpent + &unr_;, gen. &unr_;, a key. So named because it was in effect the serpent, an old musical instrument, with keys added. ] (Mus.) A large brass wind instrument, formerly used in the orchestra and in military bands, having a loud tone, deep pitch, and a compass of three octaves; -- now generally supplanted by bass and contrabass tubas. It developed from the older wooden instrument called the serpent. Moore (Encyc. of Music). [ 1913 Webster +PJC ]

v. t. [ imp. & p. p. Sleided; p. pr. & vb. n. Sleiding. ] [ See Sley. ] To sley, or prepare for use in the weaver's sley, or slaie. Shak. [ 1913 Webster ]