the lowest point or part of something

the bottom of the page

she paused at the bottom of the stairs

a person's buttocks

he climbs the side of the gorge, scratching his bottom unselfconsciously

stamina or strength of character

whatever his faults, he possesses that old-fashioned quality—bottom

a man who takes the passive role in anal intercourse with another man

in the lowest position

the books on the bottom shelf

denoting a flavour (variety) of unstable quark having an electric charge of -1/3. Bottom quarks have similar properties to down quarks and strange quarks, but are distinguished from them by having a larger mass

(of a situation) reach the lowest point before stabilizing or improving

encouraging signs suggested the recession was bottoming out

(of a ship) reach or touch the ground under the sea

nuclear submarines cannot bottom