Используйте «round-backed» в предложении

1. As I watched the grim, round-backed figure pacing the corridor or walking in the garden, this imminent danger seemed to take bodily shape, and I could almost fancy that I saw this most loathsome and dangerous of all the fiends crouching closely in his very shadow, like a half-cowed beast which slinks beside its keeper, ready at any unguarded moment to spring at his throat

2. From the coal field rise in many places beds of greenstone, in general forming small conical and round-backed hills