vbl. sb. (UNDER-1 9 b.)

1

1382.  Wyclif, Ps. 3rd Prol. Eiȝtely and eite forsothe seiden the salmys, and two hundrid the vndersinging.

2

1886.  W. Sharp, May in Surrey, 7, in Good Words, XXVII. 308.

        A lark—a hundred larks are in the sky,
  A myriad birds an undersinging make;
And hush! where the long shadowy grasses lie,
      The harsh voice of the crake.

3