( n. )
One who observes, or pays attention to, anything; especially, one engaged in, or trained to habits of, close and exact observation; as, an astronomical observer.
( n. )
One who observes, or pays attention to, anything; especially, one engaged in, or trained to habits of, close and exact observation; as, an astronomical observer.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012