Meaning of Sleepy Hollow chair

Sleep'y Hol'low chair"

Pronunciation: [key]
— U.S. Furniture. U.S. Furniture.
  1. an armchair of the mid-19th century, sometimes on rockers, having a single piece forming a high upholstered back and a concave upholstered seat.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.