Webster's Revised Unabridged Dictionary · 1913

Separator

Separator , noun

[Latin]

(Steam Boilers) One who, or that which, separates.
(a)
(Steam Boilers) A device for depriving steam of particles of water mixed with it.
(b)
(Steam Boilers) An apparatus for sorting pulverized ores into grades, or separating them from gangue.
(c)
(Steam Boilers) An instrument used for spreading apart the threads of the warp in the loom, etc.