holiday a day on which work is suspended by law or custom; "no mail is delivered on federal holidays"; "it's a good thing that New Year's was a holiday because everyone had a hangover"
presidents' day the third Monday in February; commemorates both presidents Lincoln and Washington
decoration day,
memorial day legal holiday in the United States, last Monday in May; commemorates the members of the United States armed forces who were killed in war
thanksgiving day,
thanksgiving fourth Thursday in November in the United States; second Monday in October in Canada; commemorates a feast held in 1621 by the Pilgrims and the Wampanoag