| 1. | the best, finest, or highest class, grade, or rank. |
| 2. | the most expensive and most luxurious class of accommodation on trains, ships, airplanes, etc. |
| 3. | (in the U.S. Postal Service) the class of mail consisting of letters, postal cards, or the like, together with all mailable matter sealed against inspection. |
| 4. | British University. the group receiving the highest distinction in an honors course. |
[furst-klas, -klahs] 
| 1. | of the highest or best class or quality: a first-class movie. |
| 2. | best-equipped and most expensive: a first-class railroad car. |
| 3. | given or entitled to preferred treatment, handling, etc.: first-class mail. |
| 4. | by first-class conveyance: to travel first-class. |
| first-class (fûrst'klās') adj.
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