Dictionary
pro•pos•i•tus
Pronunciation: (pru-poz'i-tus), [key]—
n.,
—pl. -tiPronunciation: (-tī"). [key]
1. Law.the person from whom a line of descent is derived on a genealogical table.
2. Genetics.proband.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.