ancestor (from before- and pass ) n. With respect to a person or an animal, another from which descends: One of his ancestors was Napoleon's general. m. pl. Ancestry: Your illustrious ancestors. Predecessor, ascendant. Grandfather, predecessor, ascendant, elder, father, past, predecessor, progenitor, great-grandfather, ass. Alcavela, alcavera, ancestry. Lineage. Relative.
