[f. as prec. + -ING2.] That ferments; in senses of the verb.

1

1697.  Dryden, Virg. Georg., II. 10.

        To thee his joys the jolly Autumn owes,
When with fermenting juice the vat o’erflows.

2

1705.  Addison, The Campaign, 108.

        Their Courage dwells not in a troubl’d Flood
Of mounting Spirits, and fermenting Blood.

3

1816.  J. Scott, A Visit to Paris in 1814, Preface (ed. 5), iv. In March 1815, the fermenting mischief burst forth, and took a fiery course.

4

1871.  H. W. Taunt, Map of Thames, 15. He bursts out into a hearty roar of laughter, which Ben interprets as an affirmative, and the bung flies upwards from the fermenting beer accordingly.

5