[f. CHASTEN v. + -ER1.] One who or that which chastens.

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1567.  Drant, Horace’s Ars P., A vj. A solemne Censor, and chastner of euery younge mans sinne.

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1812.  Byron, Ch. Har., II. xcviii. Before the Chastener humbly let me bow.

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1866.  Kingsley, Herew., I. ii. 95. As a wholesome chastener to the pride of success.

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