xi

noun

ˈzī

ˈksī

plural xis

: the 14th letter of the Greek alphabet see Alphabet Table

Etymology

Greek xei

First Known Use

15th century, in the meaning defined above

Time Traveler

The first known use of xi was in the 15th century

See more words from the same century

Style

“Xi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/xi. Accessed 30 Nov. 2024.

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noun

ˈzī

ˈksī

: the 14th letter of the Greek alphabet

—Ξ or ξ

ˈshē

variants or Hsi or Si

river 300 miles (483 kilometers) long in Guangxi Zhuangzu and Guangdong, southeastern China, flowing east into the South China Sea

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