What is the meaning of prominence?

noun

• The state of being prominent: widely known or eminent.
• Relative importance.
• Something that bulges out or is protuberant or projects from its surroundings.
  • usage: "the gun in his pocket made an obvious bulge"; "the hump of a camel"; "he stood on the rocky prominence"; "the occipital protuberance was well developed"; "the bony excrescence between its horns"
  • synonyms: bulge, bump, hump, swelling, gibbosity, gibbousness, jut, protuberance, protrusion, extrusion, excrescence