What is the meaning of Anchorage?

noun

• The condition of being secured to a base.
  • usage: "the plant needs a firm anchorage"; "the mother provides emotional anchorage for the entire family"
• A fee for anchoring.
• A city in south central Alaska.
  • usage: "Anchorage is the largest city in Alaska"
• Place for vessels to anchor.
  • synonyms: anchorage ground
• The act of anchoring. .