Pi Puzzle!

12345678
Across
  1. 3. An occasion when a packed meal is eaten outdoors
  2. 4. A large keyboard musical instrument
  3. 6. A decorated figure containing toys and sweets
  4. 7. A rectangular cloth bag stuffed with feathers
  5. 8. vegetable preserved in vinegar or brine
Down
  1. 1. Barrel-shaped mammals that are known for their big appetites
  2. 2. Someone who robs and attacks ships on sea
  3. 4. A small firearm designed to be held in one hand
  4. 5. A small hard inflamed spot on the skin
  5. 8. A tube used to convey water