Equivocation is a logical fallacy whereby an argument is made with a term which changes semantics in the course of the argument.
Equivocation may also refer to: Equivocation (information theory), measures the amount of information that is contained in a random variable or other unknown quantity, given the knowledge over another random variable Amphibology, equivocation in literature Equivocation (magic), a technique in magic or mentalism, in which a performer gives the appearance of an apparent choice, with no such choice existing. Equivocation (play), a play by Bill Cain Doctrine of mental reservation