SINCE 1828
xi
noun
\ ˈzī
, ˈksī
\
, ˈksī
\
plural xis
Definition of xi
(Entry 1 of 2)
: the 14th letter of the Greek alphabet — see Alphabet Table
Xi
geographical name
\ ˈshē
\
\
variants:
or Hsi
or Si
Definition of Xi (Entry 2 of 2)
river 300 miles (483 kilometers) long in Guangxi Zhuangzu and Guangdong, southeastern China, flowing east into the South China Sea
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