observatory observatorial • observe · · · Info · Definitions · Synonyms · Characters · · observatory · · Text Latin · · Script 11 · · Length Definitions · · · (noun) a building designed and equipped to observe astronomical phenomena. · · Noun Definition 1 (noun) a structure commanding a wide view of its surroundings. Synonyms: lookout, observation tower, lookout station. · · Noun Definition 2 Synonyms · · · lookout · · Synonym 1 observation tower · · Synonym 2 lookout station · · Synonym 3 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079