Rainy day Pless family April 21

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Across
  1. 2. nickname for ex-prof in space (7)
  2. 6. use it on your teeth or hair (5)
  3. 8. some prefer this to skis (9)
  4. 11. top deciders who sing (8)
  5. 12. what some players try to stop (4)
  6. 13. do it when you are angry or lick it (5)
  7. 14. a special metal (I think) (8)
  8. 15. like what goes up stairs (8)
  9. 16. french for aunt's first name (sort of) (5)
  10. 17. a tender first name (5)
  11. 18. hard maths. I never did it. (8)
Down
  1. 1. a special person that lights up (8)
  2. 3. catch fish or play hockey with it (3)
  3. 4. swear or sew (4)
  4. 5. hoot not in (6)
  5. 7. cutting part of a nursery (translated) (8)
  6. 9. bread-like lame team (5)
  7. 10. distinguished persons first or middle name (4)
  8. 12. favourite food for some (7)
  9. 14. you could take it to Toronto (5)
  10. 15. holy food (trick) (5)