What is the meaning of dominance?

noun

• Superior development of one side of the body.
  • synonyms: laterality
• The state that exists when one person or group has power over another.
  • usage: "her apparent dominance of her husband was really her attempt to make him pay attention to her"
  • synonyms: ascendance, ascendence, ascendancy, ascendency, control
• The organic phenomenon in which one of a pair of alleles present in a genotype is expressed in the phenotype and the other allele of the pair is not.
• The power or right to give orders or make decisions.
  • usage: "he has the authority to issue warrants"; "deputies are given authorization to make arrests"; "a place of potency in the state"
  • synonyms: authority, authorization, authorisation, potency, say-so