cyrtosis; kyphosis 1. Any abnormal curvature of the spine or of the extremities (arms, hands, legs, feet, etc.). 2. A bony deformity. 3. A viral disease of the cotton plant, characterized by stunted and distorted growth.
any abnormal curvature of the spine or of the extremities. · a viral disease of the cotton plant, characterized by stunted and distorted growth.