Mid 18th century. From post-classical Latin pulmonalis of or relating to the lungs, (of respiration) performed by means of lungs from classical Latin pulmōn-, pulmō lung + -ālis.
Definition of pulmonal in US English:
pulmonal
adjective
Pulmonary.
Origin
Mid 18th century. From post-classical Latin pulmonalis of or relating to the lungs, (of respiration) performed by means of lungs from classical Latin pulmōn-, pulmō lung + -ālis.