Sprain :: Sprain (v. t.) 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..
Sprat :: Sprat (n.) A small European herring (Clupea sprattus) closely allied to the common herring and the pilchard; -- called also garvie. The name is also applied to small herring of different kinds.