Also found in: Medical, Wikipedia.
Related to xyster: xebec


A surgical instrument for scraping bones.

[Greek xūstēr, scraper, from xūein, to scrape.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Surgery) a surgical instrument for scraping bone; surgical rasp or file
[C17: via New Latin from Greek: tool for scraping, from xuein to scrape, make smooth]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The Panamic stingray (Urotrygon aspidura), rasptail skate (Raja velezi), brown smoothhound (Mustelus henlei), and witch guitarfish (Zapteryx xyster) accounted for more than 66% of the elasmobranch abundance within the bycatch.
He had seen the slaughterhouse Inspector lean over his damp pit, sniff, and move on because it smelled like rage and discontent in there, and death hadn't yet flown down with its xyster. I hope this passage gives some indication of the richness of Le's prose.