from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A heliostat that may be used with stars as well as the sun
from the GNU version of the Collaborative International Dictionary of English
- n. An apparatus consisting essentially of a mirror moved by clockwork so as to throw the rays of the sun or a star in a fixed direction; -- a more general term for heliostat.
from The Century Dictionary and Cyclopedia
- n. A heliostat regulated to sidereal time. See cut under heliostat.
Sorry, no etymologies found.