The meaning varies greatly with the action.
If you were splitting or opening the chestnuts, you will solve a mystery or a problem which has been plaguing you.
If you cooked the nuts, you are in danger of being exploited by someone you trust; eating chestnuts in a dream predicts happy relations (sexual and/or social as may apply) with the opposite sex.
Lucky you.
[1]To dream of handling chestnuts, foretells losses in a business way, but indicates an agreeable companion through life. Eating them, denotes sorrow for a time, but final happiness.
For a young woman to dream of eating or trying her fortune with them, she will have a well-to-do lover and comparative plenty.
[2]Eating chestnuts, raw, boiled or roasted, is a dream of good fortune in love affairs.
An unmarried woman who has this dream will make a good marriage with a man who will be faithful and reasonably successful in business. Men who have this dream will have devoted wives.
[3]Dreams of chestnuts are associated with Christmas, heat, emotional warmth and nurturing. Chestnuts are also a symbol of foresight and can be calling you to plan ahead.
[4]Domestic affliction.
[5]lucky numbers: 17-19-27-30-40-48
buying: wil be disappointed by lover.
eating: turn advantages careful y to your favor.
having: domestic afflictions are caused by a supposed friend.
picking off the ground: use your ingenuity to solidify your love affair.
roasting in an open fire: life without your lover would be unthinkable.
sitting under a, tree: life has regained its possibilities.
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