arch. Pl. -i, -os. [a. It. curioso a curious person.] In 17th c., usually one who is curious in matters of science and art; b. later, an admirer or collector of curiosities; a connoisseur, virtuoso.

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1658–72.  Wood, Life, 24 July 1658. Dr. John Wilkins, warden of Wadham Coll., the greatest curioso of his time.

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1710.  London & Wise, Compl. Gard. (1719), 40. The most judicious sort of Curioso’s.

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1727.  S. Switzer, Pract. Gardiner, II. xiii. 99. Those curioso’s who divide herbs into four degrees of heat, and four degrees of cold.

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1806.  Surr, Winter in Lond., I. 216. [The books] remained stationary on the shelves, except to the curiosi.

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