To run; wander; roll; rove.
noun.
A Flemish horse.
To render turbid by stirring up the dregs or sediment: as, to roil wine, cider, or other liquor in casks or bottles.
To excite to some degree of anger; annoy; vex: now more commonly, in colloquial use, rile.
To perplex.
To salt (fish) by means of a roiler.