bissextile
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bissextile
a leap year
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
bis·sex·tile
(bī-sĕk′stĭl, -stīl′, bĭ-)adj.
1. Of or relating to a leap year.
2. Of or relating to the extra day falling in a leap year.
n.
A leap year.
[Late Latin bissextīlis, containing an intercalary day, from bisextus (diēs), bis sextus (diēs) and Latin bisextum, intercalary day : bis, twice; see bis + sextus, sixth (because the sixth day before the Calends of March on February 24 occurred twice every leap year); see sext1.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
bissextile
(bɪˈsɛkstaɪl)adj
(Units) (of a month or year) containing the extra day of a leap year
n
a rare name for leap year
[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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