|a chattering or flighty, light-headed person.|
|a fool or simpleton; ninny.|
fenestration fen·es·tra·tion (fěn'ĭ-strā'shən)
An opening in the surface of a structure, as in a membrane.
The surgical creation of such an opening.
The surgical creation of an artificial opening in the bony part of the inner ear to improve or restore hearing.