Across
- 1. Marriage with two people at the same time
- 2. An aircraft with two sets of wings, one on top of the other
- 3. Consisting of one term only (algebra)
- 5. Marriage with only one person at a time
- 6. Any group or combination of three
- 7. 40 years of age or between the ages of 40 and 50
- 8. Consisting of a single chamber, as of a legislative assembly
- 9. Of, pertaining to, or characteristic of the whole, or all
- 10. Occurring every or lasting for three years, a three year anniversary
- 11. Government by a single person
- 12. An animal, esp. a mammal, with four legs
- 15. Happening every or lasting for two years
- 16. A stool, pedestal, stand, etc. with three legs, such as for a camera or telescope
Down
- 1. Occurring twice a year
- 3. Lacking in variety, tediously unvarying
- 4. Four times as great, fourfold
- 6. A closed plane figure with three sides and three angles
- 7. A vehicle, similar to a bicycle or tricycle, with four wheels
- 13. Having or pertaining to an idea on one extreme of a spectrum
- 14. A one-wheeled vehicle, operated by balance and pedals