Ban"shee, Ban"shie (?), n. [Gael. bean-shith fairy; Gael. & Ir. bean woman + Gael. sith fairy.]
A supernatural being supposed by the Irish and Scotch peasantry to warn a family of the speedy death of one of its members, by wailing or singing in a mournful voice under the windows of the house.
© Webster 1913.