sprain (sprains plural & 3rd person present) (spraining present participle) (sprained past tense & past participle )
1 verb If you sprain a joint such as your ankle or wrist, you accidentally damage it by twisting it or bending it violently.
He fell and sprained his ankle. V n
♦
sprained adj usu ADJ n
...a badly sprained ankle..., His wrist was sprained.
2 n-count A sprain is the injury caused by spraining a joint.