[f. as prec. + -ING2.] That claps; that makes a noise as of two hard bodies struck together, etc.: see CLAP v.1

1

1583.  Stanyhurst, Poems (Arb.), 137. A clapping fyerbolt (such as oft, with rownce robel hobble, Ioue toe the ground clattreth).

2

1722.  [see CLAP v.2].

3

1816.  L. Hunt, Rimini, I Wks. 1832, 3.

        Callings, and clapping doors, and curs unite,
And shouts from mere exuberance of delight.

4