definition of
sprain

[1] #1 sprain v. [twist, wrench, turn, wrick, rick] twist suddenly so as to sprain; "wrench one's ankle"; "The wrestler twisted his shoulder"; "the hikers sprained their ankles when they fell"; "I turned my ankle and couldn't walk for several days". wn

[2] #2 sprain n. a painful injury to a joint caused by a sudden wrenching of its ligaments. wn