aortopulmonary window

aor·to·pul·mo·nary win·dow

noun
\ˌā-ˌȯrt-ō-ˌpu̇l-mə-ˌner-ē-ˈwin-(ˌ)dō, -ˌpəl-\

Definition of AORTOPULMONARY WINDOW

: a congenital circulatory defect in which there is direct communication between the aorta and the pulmonary artery—called also aortopulmonary fenestration