v. Sc. Obs. Also firdoun, frid(d)oun. [ad. F. fredonn-er.] intr. To warble, to quaver in singing. Hence Firdoning vbl. sb.

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1599.  A. Hume, Hymnes, Day Estivall, 18.

        Their firdoning the bony birds
  In banks they do begin;
With pipes of reeds the jolie birds
  Halds up the mirrie din.

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16[?].  Montgomerie, Cherrie & Slae, vii. (in Ever Green, 1724).

        Compleitly mair sweitly
Scho fridound flat and schairp,
Nor Muses that uses
To pin Apollos Harp.

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