Pronunciation: (sep'u-rā"tur),[key] —n. 1. a person or thing that separates.
2. any of various apparatus for separating one thing from another, as cream from milk, steam from water, or wheat from chaff.
3. Elect.a device that prevents metal contact between plates of opposite charge in a storage battery.
4. Mach.retainer1 (def. 3).