Meaning of fanback

fan•back

Pronunciation: (fan'bak"), [key]
— adj.
  1. (of a chair) having a fan-shaped back.
  2. (of a Windsor chair or the like) having a back of vertical spindles fanning out from seat to upper rail.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.