from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An optical instrument consisting of a small mounted telescope rotatable in horizontal and vertical planes, used to measure angles in surveying, meteorology, and navigation.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A surveying instrument, consisting of a small mounted telescope, used to measure horizontal and vertical angles.
from the GNU version of the Collaborative International Dictionary of English
- n. An instrument used, especially in trigonometrical surveying, for the accurate measurement of horizontal angles, and also usually of vertical angles. It is variously constructed.
from The Century Dictionary and Cyclopedia
- n. A surveying-instrument for measuring horizontal angles upon a graduated circle.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod
New Latin theodolitus, theodelitus.(American Heritage® Dictionary of the English Language, Fourth Edition)
New Latin theodolitus, of unknown origin (Wiktionary)