vacation [vey-key-shuh n, vuh-] 1. a period of suspension of work, study, or other activity, usually used for rest, recreation, or travel; recess or holiday: Schoolchildren are on vacation now. 2. a part of the year, regularly set aside, when normal activities of law courts, legislatures, etc., are suspended. 3. freedom or release from duty, business, or activity. 4. an act