The Collaborative International Dictionary of English v.0.48:

Chord \Chord\, v. t. [imp. & p. p. Chorded; p. pr. & vb. n.
   Chording.]
   To provide with musical chords or strings; to string; to
   tune.
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         When Jubal struck the chorded shell.     --Dryden.
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         Even the solitary old pine tree chords his harp.
                                                  --Beecher.
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