a refracting telescope having inverting lenses or an eyepiece that presents an erect image.
Origin of terrestrial telescope
First recorded in 1805–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for terrestrial telescope
a telescope for use on earth rather than for making astronomical observations. Such telescopes contain an additional lens or prism system to produce an erect imageCompare astronomical telescope
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012