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."To deny that the arrangement was a quid pro quo would be laughably disingenuous.; It was quite obviously a quid pro quo arrangement."
4.NounA usually non-monetary exchange transaction, or series or process of exchange transactions.
An equal or fair transaction or series of process of exchange transactions; tit for tat.
5.NounAn equal or fair transaction or series of process of exchange transactions; tit for tat.
6.NounSexual harassment in which a person in a workplace implicitly or explicitly requires sexual favours in exchange for something.