1. (

• epidemic_pleurodynia ,
• epidemic_myalgia ,
• myosis ,
• diaphragmatic_pleurisy ,
• Bornholm_disease

) an acute infectious disease occurring in epidemic form and featuring paroxysms of pain (usually in the chest) ;

2. (

• light_reflex ,
• pupillary_reflex ,
• miosis ,
• myosis

) reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller ;