| Answer | Crossword Clue |
|---|---|
| SEASON | Three-month period |
| BIMESTER | Two-month period |
| YEAR | Twelve-month period |
| ANNAL | Record of a 12-month period |
| ORCA | Creature with a 17-month gestation period |
| QUARTERAGE | Three-month payment |
| TRIMESTER | Three-month term |
| OTHO | Three-month Roman emperor |
| OTHO | Roman emperor with a three-month reign |
