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1. A sandbank in a stretch of water that is visible at low tide
    
2. A stretch of shallow water
   - shallow
    
3. A large group of fish
   "a shoal of small glittering fish swam by"
   - school

1. Make shallow
   "The silt shoaled the canal"
   - shallow
    
2. Become shallow
   "the lake shoaled over time"
   - shallow

Derived forms: shoaling, shoals, shoaled

See also: shoaly

Type of: alter, animal group, body of water, change, modify, sandbank, water

Encyclopedia: Shoal