What is the meaning of nomination?

noun

• The act of officially naming a candidate.
  • usage: "the Republican nomination for Governor"
• The condition of having been proposed as a suitable candidate for appointment or election.
  • usage: "there was keen competition for the nomination"; "his nomination was hotly protested"
• An address (usually at a political convention) proposing the name of a candidate to run for election.
  • usage: "the nomination was brief and to the point"
  • synonyms: nominating speech, nominating address