The rear, back, or unseen portion (of something).
The processing of spent fuel from a nuclear reactor into reusable materials.
That part of a hardware or software system that is farthest from the user; the internals rather than the user interface.
The latter end of any given time, especially the latter part of the year; autumn; late autumn.
Money paid on a contingent deferred basis, for example, as a proportion of the profits or revenue of a work.
The buttocks or anus.
Low-lying land near a river with alluvial soil.
The far end of somewhere.
A ball or skein of thread; a cocoon.
A submissive in sadomasochistic sexual activity.
Low-lying land; a valley or hollow.
The second half of an inning, the home team's turn at bat.
A cargo vessel, a ship.
A man who prefers the receptive role in anal sex with men.
Character, reliability, staying power, dignity, integrity or sound judgment.
Certain parts of a vessel, particularly the cargo hold or the portion of the ship that is always underwater.
The base; the fundamental part; basic aspect.
A garment worn to cover the body below the torso.
An abyss.
The lowest part of anything.
Spirits poured into a glass before adding soda water.
The lowest part of a container.
The bed of a body of water, as of a river, lake, or sea.
To pour spirits into (a glass to be topped up with soda water).
To establish or found (something) on or upon.
To lie on the bottom of; to underlie, to lie beneath.
To reach the bottom of something.
To fall to the lowest point.
To be the submissive partner in a BDSM relationship.
To reach or strike against the bottom of something, so as to impede free action.
To furnish (something) with a bottom.
To be anally penetrated in gay sex.
Relating to the genitals.
The lowest or last place or position.