peak /ˈpik/
  山頂,頂點,帽舌(a.)最高的(vi.)到達最高點,消瘦,縮小(vt.)使豎起
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  尖峰傳輸率
  peak
  峰
  Peag n. [Written also peage, peak, peeke.]  A kind of aboriginal shell money, or wampum, of the Atlantic coast of the United States; -- originally applied only to polished white cylindrical beads.  See also wampum.
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  Peak n.
  1. A point; the sharp end or top of anything that terminates in a point; as, the peak, or front, of a cap. “Run your beard into a peak.”
  2. The top, or one of the tops, of a hill, mountain, or range, ending in a point; often, the whole hill or mountain, esp. when isolated; as, the Peak of Teneriffe.
     Silent upon a peak in Darien.   --Keats.
  3. Naut. (a) The upper aftermost corner of a fore-and-aft sail; -- used in many combinations; as, peak-halyards, peak-brails, etc. (b) The narrow part of a vessel's bow, or the hold within it. (c) The extremity of an anchor fluke; the bill. [In the last sense written also pea and pee.]
  Fore peak. Naut. See under Fore.
  Peak, v. i. [imp. & p. p. Peaked p. pr. & vb. n. Peaking.]
  1. To rise or extend into a peak or point; to form, or appear as, a peak.
     There peaketh up a mighty high mount.   --Holand.
  3. To acquire sharpness of figure or features; hence, to look thin or sickly. “Dwindle, peak, and pine.”
  4.  To pry; to peep slyly. [archaic]
  Peak arch Arch., a pointed or Gothic arch.
  Peak, v. t. Naut. To raise to a position perpendicular, or more nearly so; as, to peak oars, to hold them upright; to peak a gaff or yard, to set it nearer the perpendicular.
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  peak
       adj 1: of a period of maximal use or demand or activity; "at peak
              hours the streets traffic is unbelievable" [ant: off-peak]
       2: approaching or constituting a maximum; "maximal
          temperature"; "maximum speed"; "working at peak
          efficiency" [syn: highest, peak(a)]
       n 1: the most extreme possible amount or value; "voltage peak"
            [syn: extremum]
       2: the period of greatest prosperity or productivity [syn: flower,
           prime, heyday, bloom, blossom, efflorescence, flush]
       3: the highest level or degree attainable; "his landscapes were
          deemed the acme of beauty"; "the artist's gifts are at
          their acme"; "at the height of her career"; "the peak of
          perfection"; "summer was at its peak"; "...catapulted
          Einstein to the pinnacle of fame"; "the summit of his
          ambition"; "so many highest superlatives achieved by man";
          "at the top of his profession" [syn: acme, height, elevation,
           pinnacle, summit, superlative, top]
       4: the top point of a mountain or hill; "the view from the peak
          was magnificent"; "they clambered to the summit of
          Monadnock" [syn: crown, crest, top, tip, summit]
       5: a V shape; "the cannibal's teeth were filed to sharp points"
          [syn: point, tip]
       6: the highest point (of something); "at the peak of the
          pyramid" [syn: vertex, apex, acme]
       7: a brim that projects to the front to shade the eyes; "he
          pulled down the bill of his cap and trudged ahead" [syn: bill,
           eyeshade, visor, vizor]
       v : to reach the highest point; attain maximum intensity,
           activity; "That wild, speculative spirit peaked in 1929"