n. Line of ancestors; descent; lineage; genealogy; list of ancestors; genealogical tree.n. Synonyms Pedigree, Genealogy, Lineage. Pedigree may be used with reference either to a person or to an animal, as the pedigree of a horse; the others only to a person or family. In some cases it extends to geologic time: as, the pedigree of Cænozoic horses. Genealogy is the series of generations, coming down from the first known ancestor. Lineage views the person as coming in a line of descent, generally honorable, which, however, need not be traced, as in a genealogy or pedigree. Pedigree and lineage are generally much narrower words than genealogy, the last usually covering some personal history and including details of various matters of interest to the persons or families concerned.To breed (animals) with reference to pedigree (chiefly).