A person's buttocks.
Used other than figuratively or idiomatically: see back, side.
The back side of an estate: the backyard and outbuildings behind a main house, especially (UK dialect, euphemistic) an outhouse.
The reverse or opposite of anything.
Used other than figuratively or idiomatically: see back, side.
Approaching an obstacle backward
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.
Relating to the genitals.
The lowest or last place or position.
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.