American Dictionary of the English Language

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HE'LIX, noun [Gr. a winding.] A spiral line; a winding; or something that is spiral; as a winding staircase in architecture, or a caulicule or little volute under the flowers of the Corinthian capital. In anatomy, the whole circuit or extent of the auricle, or external border of the ear.

1. In zoology, the snail-shell.