In Irish mythology, Bec (modern Irish Beag, meaning "small") was one of the Tuatha Dé Danann. She was known for having a magic well, guarded by her three daughters. When Fionn mac Cumhaill approached the well to ask for a drink, her daughters tried to prevent him from getting the water; "one of them threw water over him to scare him away and some of it went into his mouth. From the water he gained wisdom."
- Ellis, Peter Berresford (1987), A Dictionary of Irish Mythology, Oxford: Oxford University Press, p. 40, ISBN 0-19-282871-1
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