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dulciana

dulciana Mus.
  (dʌlsɪˈɑːnə, -æ-)
  [ad. med.L. dulciana, ‘musici cantus dulcioris species’, f. dulcis sweet: cf. prec.]
  An 8-foot organ stop of a soft string-like tone, introduced in 1754 by Snetzler. dulciana principal: = dulcet n. 3 b, q.v.

1776 Sir J. Hawkins Hist. Mus. IV. i. x. 149 The organ at Haerlem is said to have 60 stops, many of them little known to the English workmen, among which are the..Dulciana, [etc.]. 1870 Nelson in Eng. Mech. 11 Feb. 534/1 The organ..by Johannes Snetzler..bears the date 1754. It was the first organ that ever had a dulciana stop, which was Snetzler's invention. 1876 J. Hiles Catech. Organ ix, Dulciana, an open stop..It is generally of metal.

Oxford English Dictionary

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