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The Collaborative International Dictionary
Restringent

Restringent \Re*strin"gent\, a. [L. restringens, p. pr.: cf. F. restringent.] Restringing; astringent; styptic. [Obs.] -- n. A restringent medicine. [Obs.]
--Harvey.

Wiktionary
restringent

a. (context obsolete English) astringent; styptic n. (context obsolete English) A restringent medicine.