from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A chair with adjustable back to enable an invalid to sit up in bed.
from the GNU version of the Collaborative International Dictionary of English
- n. A chair with adjustable back, for the sick, to support them while sitting up in bed.
from The Century Dictionary and Cyclopedia
- n. An adjustable frame designed to enable invalids to sit up in bed. Also called chair-bed.
bed + chair (Wiktionary)