366 DAYS

 I. (noun) 

Sense 1

Meaning:

A calendar year with an extra day added in February

Synonyms:

366 days; bissextile year; intercalary year; leap year

Classified under:

Nouns denoting time and temporal relations

Hypernyms ("366 days" is a kind of...):

twelvemonth; year; yr (a period of time containing 365 (or 366) days)

Credits