reminds me of an old childrens puzzle - If it takes a week to walk a fortnight then how long will ot take a spider with no legs to crawl through a pot of jam backwards?

Answer is - A Lemon - why? Suck it and see

No wiser?

" No Answer" is not an answer to the clue given about the Polar bear- If it ever appeared in a crossword then the answer has to be something a Polar bear could be
Despite my last message to say I have given up, I have lain awake trying to sort this one out, and will now make it my life's one ambition after I officially retire and become a member of the senior citizens club on Saturday.
Keep thinking - its good for the old grey cells
Pete