E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Cordelias Gift.
A voice ever soft, gentle, and low; an excellent thing in woman. (Shakespeare: King Lear, v. 3.)
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It is her voice that he hears prevailing over the those [sic] of the rest of the company, for she has not Cordelias gift.Miss Broughton: Dr. Cupid.