zos·ter (z?s?t?r)n.1. A belt or girdle worn by men in ancient Greece.2. Herpes zoster.[Greek z?st?r, girdle.]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.zoster (?z?st?) n (Pathology) pathol short for herpes zoster[C18: from Latin: shingles, from Greek z?ster girdle]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014shin?gles (???? g?lz) n. (used with a sing. or pl. v.) a disease caused by the herpes zoster virus, characterized by skin eruptions and pain along the course of involved sensory nerves. [1350?1400;