Definitions for "Trismus"
Muscle spasm (cramp).
An inability to open the mouth due to muscle spasms, injury, a formation of scar tissues in the muscles of the jaws, or a bony union (ankylosis) in the temporomandibular joint - jaw joint.
prolonged spasm of the jaw muscles
Keywords:  lockjaw
The lockjaw.
Keywords:  difficulty, mouth, opening
difficulty opening the mouth