cheville: Meaning and Definition of

che•ville

Pronunciation: (shu-vē'), [key]
— n. Pros.
  1. a word or expression whose only function is to fill a metrical gap in a verse or to balance a sentence. Cf. expletive (def. 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.