Definition of "Objection" :

noun: (law) a procedure whereby a party to a suit says that a particular line of questioning or a particular witness or a piece of evidence or other matter is improper and should not be continued and asks the court to rule on its impropriety or illegality

noun: the act of protesting; a public (often organized) manifestation of dissent

noun: the speech act of objecting

noun: the act of expressing earnest opposition or protest