A surname from French.

plural of Fallot

(medicine) A congenital heart defect, characterised by the four findings of ventricular septal defect, pulmonary stenosis, right ventricular hypertrophy and an overriding aorta.

plural of tetralogy of Fallot

(medicine) A congenital heart defect in which a tetralogy of Fallot presents with an additional patent foramen ovale or atrial septal defect.

(rare, medicine) The tetralogy of Fallot.

plural of pentalogy of Fallot

(zoology) Any trilobite in the family Fallotaspididae.

plural of fallotaspidid