Observatory

Definition of Observatory

Ob`serv´a`to`ry
n.1.A place or building for making observations on the heavenly bodies.
The new observatory in Greenwich Park.
- Evelyn.
2.A building fitted with instruments for making systematic observations of any particular class or series of natural phenomena.
3.A place, as an elevated chamber, from which a view may be observed or commanded.
4.(Mil.) A lookout on a flank of a battery whence an officer can note the range and effect of the fire; usually referred to as an observation post.

Related Words

Cassegrainian telescope, Newtonian telescope, OAO, OSO, Texas tower, astronomical observatory, astronomical telescope, beacon, belvedere, bleachers, bridge, coelostat, conning tower, coronagraph, coronograph, gallery, gazebo, grandstand, heliostat, lighthouse, lookout, loophole, observation post, orrery, outlook, overlook, peanut gallery, peephole, pharos, planetarium, radar telescope, radio observatory, radio telescope, reflector, refractor, ringside, ringside seat, sighthole, spectrograph, spectroheliograph, spectrohelioscope, spectroscope, telescope, top gallery, tower, watchtower
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