One of the mysteries of the English language finally explained.
A genus of marine gastropod molluscs; (also marginella) a mollusc of this genus or of the family Marginellidae; the shell of any of these molluscs, usually glossy with a small or flattened spire and a thickened outer lip.
Early 19th century. From scientific Latin Marginella, genus name, probably from classical Latin margin-, margō + -ella.
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