2. [syn: lookout, observation tower, lookout station, observatory]
The Collaborative International Dictionary of English v.0.48:
Observatory \Ob*serv"a*to*ry\, n.; pl. Observatories. [Cf. F.
1. A place or building for making observations on the
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
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. --Farrow.
[1913 Webster +PJC]
WordNet (r) 3.0 (2006):
n 1: a building designed and equipped to observe astronomical
2: a structure commanding a wide view of its surroundings [syn:
lookout, observation tower, lookout station,
Moby Thesaurus II by Grady Ward, 1.0:
46 Moby Thesaurus words for "observatory":
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
The Devil's Dictionary (1881-1906):
OBSERVATORY, n. A place where astronomers conjecture away the guesses
of their predecessors.