sb. Med. [a. F. calmant, pr. pple. of calmer; used as adj. and sb. in medical lang. and transferred.] = CALMATIVE sb.

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1811.  Melesina Trench, Rem. (1862), II. 210. What we females call work.… It is a sort of composer, a calmant peculiarly useful, I believe, to the delicate and irritable spirits of women.

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1862.  Med. Times, II. 390/1. Tobacco has always had the reputation of being a calmant rather than a stimulant, and of, at the same time, increasing the power of mental concentration and abstraction.

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1881.  Mrs. C. Praed, Policy & P. (new ed.) xlii. 428. Prussic acid … acted as a speedy calmant.

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