bissextile

[bahy-seks-til, -tahyl, bi-]
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adjective

containing or noting the extra day of leap year: The years 1980 and 1984 were both bissextile.

noun


Nearby words

  1. bisontine,
  2. bisphenoid,
  3. bisphosphonate,
  4. bisque,
  5. bissau,
  6. bissextus,
  7. bisso,
  8. bissonata,
  9. bist,
  10. bistable

Origin of bissextile

1585–95; < Late Latin bi(s)sextilis (annus) leap year, equivalent to bissext(us) bissextus + -ilis -ile

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for bissextile

bissextile

adjective

(of a month or year) containing the extra day of a leap year

noun

a rare name for leap year

Word Origin for bissextile

C16: from Late Latin bissextilis annus leap year, from Latin bissextus, from bi- 1 + sextus sixth; referring to February 24, the 6th day before the Calends of March

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 bissextile

bissextile

1580s (n.); 1590s (adj.), in reference to Roman leap year, from Late Latin (annus) bissextilis "leap year," literally "the twice sixth-day," because the sixth day before the Calends of March was doubled.

Online Etymology Dictionary, © 2010 Douglas Harper