clam

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clam / klam/ • n. 1. a marine bivalve mollusk (subclass Heterodonta) with shells of equal size. ∎  inf. any of a number of edible bivalve mollusks, e.g., a scallop. 2. inf. a dollar. 3. colloq. a shy or withdrawn person.• v. (clammed , clamming ) [intr.] 1. dig for or collect clams. 2. (clam up) inf. abruptly stop talking, either for fear of revealing a secret or from shyness.

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