One that separates, as a device for separating cream from milk. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "separator" in a sentence
"Put in separator support in the bookmarks manager and I, like many others, will switch from Firefox."
"It is also obtained by an apparatus called a separator; this is known as "centrifugal cream," most of the cream now sold in cities being of this kind."
"A parenthesis, like many other characters, is deciphered as a word separator so, if you are near the right edge, the app may cut the text because the 'word' which is just after is too long to fit at the end of the line."