shoal /ʃəʊl/verb 4noun 4adjective 1forms 5 verb4 •To collect in a shoal; to throng.The fish shoaled about the place. •To become shallow.The colour of the water shows where it shoals. •To arrive at a shallow (or less deep) area. •To cause a shallowing; to come to a more shallow part of.Noting the rate at which she shoals her water -[…] — 1859 noun4 •Any large number of persons or things.Shoals of tourists •A large number of fish (or other sea creatures) of the same species swimming together.Beneath, a shoal of silver fishes glides. — 1661 •A sandbank or sandbar creating a shallow.The god himself with ready trident stands, / And opes the deep, and spreads the moving sands, / Then heaves them off the shoals. — 1697 •A shallow in a body of water.The depth of your pond should be six feet; and on the sides some shoals for the fish to sun themselves in and to lay their spawn. — 1707 adjective1 •(no longer used) Shallow.But that part of the coast being shoal and bare, / And rough with reefs which ran out many a mile, / His port lay on the other side o' the isle. — 1819 formsshoaled · shoaling · shoals · shoaler · shoalest