Definitions
1.nounSomething which is understood as something else; an equivocation.
2.nounSubstitution of one drug for another.
3.nounSomething which is offered or asked for in exchange for something else.
4.nounA usually non-monetary exchange transaction, or series or process of exchange transactions.
5.nounSexual harassment in which a person in a workplace implicitly or explicitly requires sexual favours in exchange for something.