a. and sb. rare. [ad. L. suppūrantem, pres. pple. of suppūrāre to SUPPURATE.] = SUPPURATIVE a. 2 and sb.

1

1767.  Gooch, Treat. Wounds, I. 218. Their secret applications, which they termed attrahents, but are to be looked upon only as suppurants.

2

1889.  Mayne’s Med. Vocab. (ed. 6), Suppurant.… festering: suppurating.

3