Roil

(1):

(v. i.) To wander; to roam.

(2):

(v. i.) To romp.

(3):

(v.) To disturb, as the temper; to ruffle the temper of; to rouse the passion of resentment in; to perplex.

(4):

(v.) To render turbid by stirring up the dregs or sediment of; as, to roil wine, cider, etc. , in casks or bottles; to roil a spring.