IPA: /ˈsweɪˌbækt/
KK: /ˈsweɪˌbækt/
Describing something that has a back that is sagging or hollow, often used to refer to animals or objects that are not straight or upright.
The swaybacked horse struggled to run due to its curved spine.
Swaybacked → It is formed from "sway" (from Old English *swegan*, meaning to swing or move back and forth) and "backed" (from Old English *bæc*, meaning back). The word describes a back that is curved or bent, resembling a sway or swing.
Think of a back that is 'swinging' or 'moving back and forth' — that's why swaybacked describes a back that is curved.