n. The act of descending; the act of passing from a higher to a lower place by any form of motion.n. A downward slope or inclination; a declivity.n. A fall or decline from a higher to a lower state or station; declension; degradation.n. A sudden or hostile coming down upon a person, thing, or place; an incursion; an invasion; a sudden attack.n. In law, the passing of real property to the heir or heirs of one who dies without disposing of it by will; transmission by succession or inheritance; the hereditary devolution of real property either to a single heir at law (common in England) or to the nearest relatives in the same degree, whether in a descending, ascending, or collateral line.n. Genealogical extraction from an original or progenitor; lineage; pedigree; specifically, in biology, evolution; derivation: said of species, etc., as well as of individuals.n. A generation; a single degree in the scale of genealogy, traced from the common ancestor.n. Offspring; issue; descendants collectively.n. A rank; a step or degree.n. The lowest place.n. plural In fortification, a hole, vault, or hollow place made by undermining the ground.n. In music, a passing from a higher to a lower pitch.n. In logic, an inference from a proposition containing a higher term to a proposition containing a lower term.n. Debasement.n. Foray, raid.n. Generation, parentage, derivation.