the lowest point or part of something
the bottom of the page
she paused at the bottom of the stairs
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