bissextile day


Also found in: Thesaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bissextile day - the name of the day that is added during a leap yearbissextile day - the name of the day that is added during a leap year
day - a day assigned to a particular purpose or observance; "Mother's Day"
Feb, February - the month following January and preceding March