pro·pos·i·tus \prōˈpäzəd.əs\noun (pluralproposi·ti \-zəˌtī\) Etymology: New Latin, from Latin, past participle of proponere to display, declare, propound 1. a.: one whose relations and pedigree are sought to be ascertained by a genealogical table b.: proband 2.: the person immediately concerned : subject < the personal law of persons domiciled in India varies with the religion of the propositus — J.H.C.Morris >