noun

• (heraldry) A bearing worn, not upon the shield, but usually on a helmet above it, sometimes (as for clerics) separately above the shield or separately as a mark for plate, in letterheads, and the like.
  "I liked the man for his own sake, and even had he promised to turn out a celebrity it would have had no weight with me. I look upon notoriety with the same indifference as on the buttons on a man's shirt-front, or the crest on his note-paper."
• (anatomy) A ridge along the surface of a bone.
• (informal) A design or logo, especially one of an institution, sports club, association or high-class family.
  "Hungry for fame and the approval of rare-animal collector Queen Victoria (Imelda Staunton), Darwin deceives the Captain and his crew into believing they can get enough booty to win the pirate competition by entering Polly in a science fair. So the pirates journey to London in cheerful, blinkered defiance of the Queen, a hotheaded schemer whose royal crest reads simply “I hate pirates.”"

verb

• (intransitive) Particularly with reference to waves, to reach a peak.
• (transitive) To reach the crest of (e.g. a hill or mountain).
  "the land rolls gently, so that, upon cresting a low rise or passing a copse of wind turbines, you suddenly spot a lot full of lorries or a complex of gigantic sheds."
• (transitive) To furnish with, or surmount as, a crest; to serve as a crest for.
  "His legs bestrid the ocean, his reared arm / Crested the world."
• (transitive) To mark with lines or streaks like waving plumes.
  "Like as the shining skie in summers night, / What time the dayes with scorching heat abound, / Is creasted all with lines of firie light"

noun

• (military) Acronym of comparisons, reasons, examples, statistics, testimony, the five types of verbal support used to enhance an oral presentation.