Obs. In 6 fystle. [f. prec. sb.] intr. To form or become a fistula.
1547. Boorde, Brev. Health, vi. 9. If this impediment do encrease, and a remedy by tyme not had, it wyll fester and fystle.
1646. J. Whitaker, Uzziah, 39. Till at last it fistula or gangrene.
