bissextile

[ bahy-seks-til, -tahyl, bih- ]

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

noun

Origin of bissextile

1
1585–95; <Late Latin bi(s)sextilis (annus) leap year, equivalent to bissext(us) bissextus + -ilis-ile

Words Nearby bissextile

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How to use bissextile in a sentence

British Dictionary definitions for bissextile

bissextile

/ (bɪˈsɛkstaɪl) /


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

noun
  1. a rare name for leap year

Origin of bissextile

1
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

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