from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A telescope which, unlike most telescopes used for astronomical purposes, contains an arrangement of lenses presenting an erect (non-inverted) image to the observer, suitable for observation of objects on the Earth's surface.
- n. An astronomical telescope which is physically located on the surface of the Earth, as distinct from a telescope located in outer space.
from the GNU version of the Collaborative International Dictionary of English
- n. a telescope whose eyepiece has one or two lenses more than the astronomical, for the purpose of inverting the image, and exhibiting objects erect.
Sorry, no etymologies found.
Schyrl (Schyrlæus) de Rheita built a terrestrial telescope in 1645 and drew a chart of the moon.