from The Century Dictionary and Cyclopedia
- n. A kind of binocular telescope in the form of a large operaglass, provided with a case slung from a strap, so that it can be conveniently carried. These glasses are used especially by military men and tourists.
- n. A small achromatic telescope, usually from 20 to 24 inches long, and having from 3 to 6 joints of the kind known as telescopic.
- n. That one of the two lenses forming the eyepiece of an astronomical telescope or of a compound microscope which is the nearer to the object-glass, the other being the eye-glass. Also called field-lens.
Sorry, no etymologies found.