| OBS | a remark expressing careful consideration |
|---|---|
| OBS | lookout consisting of a dome-shaped observatory |
| OBS | an elevated post affording a wide view |
| OBS | a station set up for making observations of something |
| OBS | a structure commanding a wide view of its surroundings |
| OBS | relying on observation or experiment |
| OBS | a structure commanding a wide view of its surroundings |
| OBS | a building designed and equipped to observe astronomical phenomena |
| OBS | observe correctly or closely |
| OBS | make mention of |
| OBS | observe with care or pay close attention to |
| OBS | discover or determine the existence, presence, or fact of |