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Bottom may refer to:

Anatomy and sex[edit]

  • Buttocks, portions of the anatomy on the posterior of the pelvic region of apes and humans, and many other bipeds or quadrupeds
  • Bottom (sex), a term used by gay, BDSM, and some straight couples
  • Bottom (BDSM), the partner in a BDSM who takes the passive, receiving, or obedient role, to that of the top or dominant

Art and fiction[edit]


  • Bottom element, in lattice theory and related branches of mathematics
  • Bottom, or falsum, a contradiction in logic and Boolean algebra
  • Bottom type, or empty type, in type theory
  • The symbol up tack (⊥), used to represent these concepts