In 'Aunt Jennifer's Tigers,' by Adrienne Rich, we find ...

3. In "Aunt Jennifer's Tigers," by Adrienne Rich, we find these lines: The massive weight of Uncle's wedding band. Sits heavily upon Aunt Jennifer's hand. In these lines, the wedding ring is a "part" that stands for the "whole"– that is, for their marriage. What figure of speech does this represent, when a part stands for the whole? ................
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