| A | B |
| Seamsters/Seamstresses | Laundry department employees who repair (by sewing) bed, table, and other linens |
| Second-Party Check | A check made out to the person presenting the check |
| Security | The broad task of protecting people (guests, employees, and others) and hotel assets (things that have financial value) |
| Self Check-Out | A computerized system, usualy located in the hotel lobby, that allows the guest to review his/her folio and settle the account to the credit card used at check-in |
| Self-Direction | the act or process of setting one's personal goals and trying to reach them |
| Self-Esteem | Proper regard for oneself as a human being |
| Seniority | A rank or status based on length of service, such as how long a person has worked at a hotel; a person who has worked for a company for two years has more seniority than someone employed there for one year |
| Service | The occupation or function of providing others with items they need or want |
| Service Bar | A bar where bartenders prepare beverages for food servers who present them to guests in the dining room |
| Service Economy | An economy in which most jobs are devoted to the creation of services rather than of manufactured goods |
| Service Personnel | Employees who provide service to guests, such as those who serve food and beverages at a restaurant or lodging property |