observatory

名词 observatory:

1. a building designed and equipped to observe astronomical phenomena
2. a structure commanding a wide view of its surroundings
   同义词：lookout, observation tower, lookout station

ob.ser.va.to.ry

n.（名词）
【复数】 ob.ser.va.to.ries 缩写 obs.,Obs.
A building, a place, or an institution designed and equipped for making observations of astronomical, meteorological, or other natural phenomena.
观测所，气象台，天文台：一座建筑或一个机构，用以观测天文的、气象学的或其它自然现象
A structure overlooking an extensive view.
观察台，了望台，望楼：俯瞰广阔景象的建筑

来源：
French observatoire influenced by conservatory
法语 observatoire 受 conservatory的影响
from observer [to observe]
源自 observer [观察]
from Old French * see observe
源自 古法语 *参见 observe