Webster's Revised Unabridged Dictionary · 1913

Descent

Descent , noun

[French descente, from descendre; like vente, from vendre. See Descend.]

1.
The act of descending, or passing downward; change of place from higher to lower.
2.
Incursion; sudden attack; especially, hostile invasion from sea; -- often followed by upon or on; as, to make a descent upon the enemy.
The United Provinces... ordered public prayer to God, when they feared that the French and English fleets would make a descent upon their coasts. — Jortin
3.
Progress downward, as in station, virtue, as in station, virtue, and the like, from a higher to a lower state, from a higher to a lower state, from the more to the less important, from the better to the worse, etc.
2.
Derivation, as from an ancestor; procedure by generation; lineage; birth; extraction. — Dryden
5.
(Law) Transmission of an estate by inheritance, usually, but not necessarily, in the descending line; title to inherit an estate by reason of consanguinity. — Abbott
6.
Inclination downward; a descending way; inclined or sloping surface; declivity; slope; as, a steep descent.
7.
That which is descended; descendants; issue.
If care of our descent perplex us most, Which must be born to certain woe. — Milton
8.
A step or remove downward in any scale of gradation; a degree in the scale of genealogy; a generation.
No man living is a thousand descents removed from Adam himself. — Hooker
9.
Lowest place; extreme downward place. [Rare]
10.
(Music) A passing from a higher to a lower tone.
And from the extremest upward of thy head, To the descent and dust below thy foot. — Shakespeare