[f. FESTER v. + -MENT.] a. The process or state of festering. In quots. fig. b. dial. A rotting mass.

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1833.  Chalmers, Const. Man (1834), II. vii. 5. The brooding fountain of so many heartburnings and so many festerments.

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1845.  North, Brit. Rev., II. 488. The population of both countries have been thrown, and most naturally, into the festerment of an universal discontent.

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1884.  Chesh. Gloss., s v. A festerment o’ weeds.

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