kk's 1-16 list 6

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Across
  1. 3. to divide into two equal parts
  2. 5. to make strong or secure
  3. 6. a conscious putting forth of energy
  4. 8. study of earth through rocks
  5. 10. having or expressed in three languages
  6. 12. a three-legged stand
  7. 13. three-sided figure
  8. 14. a limestone rock with crystals inside
Down
  1. 1. a permanent stronghold for defense
  2. 2. occurring every two years
  3. 3. field glasses
  4. 4. strength to bear misfortune
  5. 7. large muscle at the back of the arm
  6. 8. branch of mathematics involving the measuring of shapes
  7. 9. vehicle with two wheels
  8. 11. being three in one