D defs.my
Entry 2 senses · 2 variants Webster, 1913

Sprain

/(sprān)/ · IPA /spɹeɪn/
01 v. t. To weaken, as a joint, ligament, or muscle, by sudden and excessive exertion, as by wrenching; to overstrain, or stretch injuriously, but w…
imp. & p. p. Sprained; p. pr. & vb. n. Spraining
  1. 1.
    To weaken, as a joint, ligament, or muscle, by sudden and excessive exertion, as by wrenching; to overstrain, or stretch injuriously, but without luxation; as, to sprain one's ankle.
02 n. The act or result of spraining; lameness caused by spraining; as, a bad sprain of the wrist.
  1. 1.
    The act or result of spraining; lameness caused by spraining; as, a bad sprain of the wrist.
Phrases & compounds
Sprain fracture — the separation of a tendon from its point of insertion, with the detachment of a shell of bone to which the tendon is attached.