|another name (esp US) for propositus|
|[C20: from Latin probandus, gerundive of probāre to test]|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
proband pro·band (prō'bānd')
An individual or member of a family being studied in a genetic investigation. Also called index case, propositus.