relearn
         v 1: learn something again, as after having forgotten or
               neglected it; "After the accident, he could not walk for
               months and had to relearn how to walk down stairs"

English Dictionary: roll around	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
roll around v happen regularly; "Christmas rolled around again" [syn: come around, roll around]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Mill \Mill\, n. [OE. mille, melle, mulle, milne, AS. myln,       mylen; akin to D. molen, G. m[81]hle, OHG. mul[c6], mul[c6]n,       Icel. mylna; all prob. from L. molina, fr. mola millstone;       prop., that which grinds, akin to molere to grind, Goth.       malan, G. mahlen, and to E. meal. [root]108. See Meal flour,       and cf. {Moline}.]       1. A machine for grinding or comminuting any substance, as             grain, by rubbing and crushing it between two hard, rough,             or intented surfaces; as, a gristmill, a coffee mill; a             bone mill.          2. A machine used for expelling the juice, sap, etc., from             vegetable tissues by pressure, or by pressure in             combination with a grinding, or cutting process; as, a             cider mill; a cane mill.          3. A machine for grinding and polishing; as, a lapidary mill.          4. A common name for various machines which produce a             manufactured product, or change the form of a raw material             by the continuous repetition of some simple action; as, a             sawmill; a stamping mill, etc.          5. A building or collection of buildings with machinery by             which the processes of manufacturing are carried on; as, a             cotton mill; a powder mill; a rolling mill.          6. (Die Sinking) A hardened steel roller having a design in             relief, used for imprinting a reversed copy of the design             in a softer metal, as copper.          7. (Mining)             (a) An excavation in rock, transverse to the workings,                   from which material for filling is obtained.             (b) A passage underground through which ore is shot.          8. A milling cutter. See Illust. under {Milling}.          9. A pugilistic. [Cant] --R. D. Blackmore.          {Edge mill}, {Flint mill}, etc. See under {Edge}, {Flint},             etc.          {Mill bar} (Iron Works), a rough bar rolled or drawn directly             from a bloom or puddle bar for conversion into merchant             iron in the mill.          {Mill cinder}, slag from a puddling furnace.          {Mill head}, the head of water employed to turn the wheel of             a mill.          {Mill pick}, a pick for dressing millstones.          {Mill pond}, a pond that supplies the water for a mill.          {Mill race}, the canal in which water is conveyed to a mill             wheel, or the current of water which drives the wheel.          {Mill tail}, the water which flows from a mill wheel after             turning it, or the channel in which the water flows.          {Mill tooth}, a grinder or molar tooth.          {Mill wheel}, the water wheel that drives the machinery of a             mill.          {Roller mill}, a mill in which flour or meal is made by             crushing grain between rollers.          {Stamp mill} (Mining), a mill in which ore is crushed by             stamps.          {To go through the mill}, to experience the suffering or             discipline necessary to bring one to a certain degree of             knowledge or skill, or to a certain mental state.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
10. (Zo[94]l.) Any species of small ground snakes of the             family {Tortricid[91]}.          {Ground roller} (Zo[94]l.), any one of several species of             Madagascar rollers belonging to {Atelornis} and allied             genera. They are nocturnal birds, and feed on the ground.                      {Roller bolt}, the bar in a carriage to which the traces are             attached; a whiffletree. [Eng.]          {Roller gin}, a cotton gin inn which rolls are used for             separating the seeds from the fiber.          {Roller mill}. See under {Mill}.          {Roller skate}, a skate which has small wheels in the place             of the metallic runner; -- designed for use in skating             upon a smooth, hard surface, other than ice.