Trismus

The Student's Medical Dictionary · 1896 · p. 636

(triz/-mus) [rpiauoc, from rp’uetv, to gnash]. Lockjaw, a tonic spasm of the muscles of mastication. T. nascentium, T. neon a to rum, a form of T. occurring in newborn infants, and supposed to be due to septic infection of the umbilical stump. 636