Illustrated Companion to the Latin Dictionary/Xysticus

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

XYS'TICUS (ξυστικός). An athlete who practises his exercise in a covered corridor or xystus. Suet. Aug. 45. Galb. 15.