adjective.
Having or furnished with a back or backing. Often used in combination.
The Century Dictionary and Cyclopedia
In archery, having the back made of a separate piece from the belly: said of a bow. See bow.
In composition, having a back (with the quality or characteristic noted in the first part of the word): as, a high-backed chair; hump-backed; broad-backed.
the GNU version of the Collaborative International Dictionary of English
adjective.
Having a back; fitted with a back. Used in composition.