Word Study
observandum |
observant |
observantine |
observantly |
observation |
observation car
| observation deck
| observation dome
| observation post
| observation station
| observation tower
observation car
CIDE DICTIONARY
observation car,
A railway passenger car made so as to facilitate seeing the scenery en route; a car open, or with glass sides, or with a kind of open balcony at the rear. [Webster 1913 Suppl.]
For further exploring for "observation car" in Webster Dictionary Online