Obs. rare. In 5 swymbul. [Related to next.] A swaying motion.
c. 1386. Chaucer, Knt.’s T., 1121 (Harl. MS.). A foreste,… With knotty knarry bareyn trees olde Of stubbes sharpe and hidous … to biholde; In which ther ran a swymbul and a swough, As though a storm sholde bresten every bough.
