(n)a rapidly progressive and frequently fatal form of the plague that can spread through the air from person to person; characterized by lung involvement with chill, bloody expectoration and high fever, Syn.plague pneumonia, pulmonic plague
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
a. [ Gr. &unr_;: cf. F. pneumonique. ] (a) Of or pertaining to the lungs; pulmonic. (b) Of or pertaining to pneumonia; as, pneumonic symptoms. [ 1913 Webster ]