Artificial intelligent assistant

overstring

overˈstring, v. Pianoforte-making.
  [over- 1, 10.]
  trans. To arrange the strings of (a piano) in two (or three) sets crossing over one another obliquely. So overˈstringing vbl. n.

1880 Hipkins in Grove Dict. Mus. II. 720/2 The invention of overstringing has had more than one claimant. 1896Pianoforte 21 In overstrung grand pianos..the bars and scale are so adjusted as to overstring the bass at an angle which opens out in a double curve fan shape from the hammer striking-place down to the hitch-pins. Ibid. 22 Overstringing (sometimes double overstringing) prevails in the larger upright instruments of America and Germany.

Oxford English Dictionary

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