What is the meaning of objection?

noun

• The act of expressing earnest opposition or protest.
  • synonyms: expostulation, remonstrance, remonstration
• The speech act of objecting.
• The act of protesting; a public (often organized) manifestation of dissent.
  • synonyms: protest, dissent
• 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. (.