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xi

[zahy, sahy; Greek ksee]
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noun, plural xis.
  1. the 14th letter of the Greek alphabet (Ξ, ξ).
  2. the group of consonant sounds represented by this letter.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for xis

Historical Examples

  • It is not thinkable, and yet the like of it happened to xis in Seville from our manager.

    Familiar Spanish Travels

    W. D. Howells


British Dictionary definitions for xis

xi

noun plural xis
  1. the 14th letter in the Greek alphabet (Ξ, ξ), a composite consonant, transliterated as x

Xi

Hsi or Si

noun
  1. a river in S China, rising in Yunnan province and flowing east to the Canton delta on the South China Sea: the main river system of S China. Length: about 1900 km (1200 miles)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for xis

xi

n.

fourteenth letter of the Greek alphabet.

Online Etymology Dictionary, © 2010 Douglas Harper

xis in Medicine

xi

(zī, sī, ksē)
n.
  1. The 14th letter of the Greek alphabet.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.