sa·lient /ˈseljənt, liənt/
  (a.)顯著的,突出的,跳躍的凸角,突出部分
  Sa·li·ent, a. Fort. A salient angle or part; a projection.
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  Sa·li·ent a.
  1. Moving by leaps or springs; leaping; bounding; jumping. “Frogs and salient animals.”
  2. Shooting out or up; springing; projecting.
     He had in himself a salient, living spring of generous and manly action.   --Burke.
  3. Hence, figuratively, forcing itself on the attention; prominent; conspicuous; noticeable.
     He [Grenville] had neither salient traits, nor general comprehensiveness of mind.   --Bancroft.
  4. Math. & Fort. Projecting outwardly; as, a salient angle; -- opposed to reentering. See Illust. of Bastion.
  5. Her. Represented in a leaping position; as, a lion salient.
  Salient angle. See Salient, a., 4.
  Salient polygon Geom., a polygon all of whose angles are salient.
  Salient polyhedron Geom., a polyhedron all of whose solid angles are salient.
  salient
       adj 1: having a quality that thrusts itself into attention; "an
              outstanding fact of our time is that nations poisoned
              by anti semitism proved less fortunate in regard to
              their own freedom"; "a new theory is the most
              prominent feature of the book"; "salient traits"; "a
              spectacular rise in prices"; "a striking thing about
              Picadilly Circus is the statue of Eros in the center";
              "a striking resemblance between parent and child"
              [syn: outstanding, prominent, spectacular, striking]
       2: (of angles) pointing outward at an angle of less than 180
          degrees [ant: re-entrant]
       3: represented as leaping (rampant but leaning forward) [syn: salient(ip)]
       n : (military) the part of the line of battle that projects
           closest to the enemy