shoal /ˈʃol/
 淺灘,沙洲,魚群,潛伏著的危險(a.)淺的(vi.)魚成群而游,變淺(vt.)使變淺


 Shoal, v. i. To become shallow; as, the color of the water shows where it shoals.


 Shoal, v. t. To cause to become more shallow; to come to a more shallow part of; as, a ship shoals her water by advancing into that which is less deep.

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 Shoal n.  A great multitude assembled; a crowd; a throng; -- said especially of fish; as, a shoal of bass. “Great shoals of people.”
    Beneath, a shoal of silver fishes glides.   --Waller.


 Shoal, v. i. [imp. & p. p. Shoaled p. pr. & vb. n. Shoaling.] To assemble in a multitude; to throng; as, the fishes shoaled about the place.


 Shoal, a.  Having little depth; shallow; as, shoal water.


 Shoal, n.
 1. A place where the water of a sea, lake, river, pond, etc., is shallow; a shallow.
    The depth of your pond should be six feet; and on the sides some shoals for the fish to lay their span.   --Mortimer.
 Wolsey, that once trod the ways of glory,
 And sounded all the depths and shoals of honor.   --Shak.
 2. A sandbank or bar which makes the water shoal.
 The god himself with ready trident stands,
 And opes the deep, and spreads the moving sands,
 Then heaves them off the shoals.   --Dryden.


 shoal
      n 1: a sandbank in a stretch of water that is visible at low tide
      2: a stretch of shallow water [syn: shallow]
      3: a large group of fish; "a school of small glittering fish
         swam by" [syn: school]
      v 1: make shallow; "The silt shallowed the canal" [syn: shallow]
      2: become shallow; "the lake shallowed over time" [syn: shallow]