myosis
       n 1: an acute infectious disease occurring in epidemic form and
            featuring paroxysms of pain (usually in the chest) [syn:
             epidemic pleurodynia, epidemic myalgia, diaphragmatic
            pleurisy, Bornholm disease]
       2: reflex contraction of the sphincter muscle of the iris in
          response to a bright light (or certain drugs) causing the
          pupil to become smaller [syn: light reflex, pupillary
          reflex, miosis]
       [also: myoses (pl)]