Category:Observatory

Ob*serv"a*to*ry, n.; pl. Observatories. Etym: [cf. F. observatoire.]

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.)

Defn: a lookout on a flank of a battery whence an officer can note The range and effect of the fire. Farrow.