คำว่า ' observatory ' ( N )
มีความหมายในภาษาไทยว่า หอสังเกตการณ์
คำนิยามในภาษาอังกฤษ (definition) :
[n.] A place or building for making observations on the heavenly bodies.
[n.] A building fitted with instruments for making systematic observations of any particular class or series of natural phenomena.
[n.] A place, as an elevated chamber, from which a view may be observed or commanded.
[n.] A lookout on a flank of a battery whence an officer can note the range and effect of the fire.