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English definition of “shoal”

shoal

noun uk   /ʃəʊl/ us    /ʃoʊl/

shoal noun (FISH)

[C, + sing/pl verb] a large number of fish swimming as a group: We could see shoals of tiny fish darting about. Piranhas often feed in shoals. [C usually plural] informal a large number of things or people: In the summer, tourists visit the city in shoals.

shoal noun (RAISED AREA)

[C] specialized geology a raised area of sand or rocks under the surface of the water
(Definition of shoal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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