[f. BRAY v.2 + -ING1.] The action or process of pounding, as in a mortar; also attrib., as in braying-stone.

1

c. 1440.  Promp. Parv., 47. Brayynge, or stampynge, tritura.

2

a. 1680.  Butler, Rem. (1759), II. 222. His discourse is like the braying of a Mortar, the more impertinent the more voluble and loud.

3