Mrs. Packletide's tiger

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Across
  1. 3. a mighty hunter
  2. 4. incidental
  3. 5. tethered
  4. 7. rendezvous
  5. 8. ostensibly
Down
  1. 1. propitious
  2. 2. the start horse race and deadline for placing a bet
  3. 6. characteristic of old age