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The Collaborative International Dictionary of English v.0.48 (gcide)

Roll \Roll\, v. t. [imp. & p. p. {Rolled}; p. pr. & vb. n.
{Rolling}.] [OF. roeler, roler, F. rouler, LL. rotulare, fr.
L. royulus, rotula, a little wheel, dim. of rota wheel; akin
to G. rad, and to Skr. ratha car, chariot. Cf. {Control},
{Roll}, n., {Rotary}.]
1. To cause to revolve by turning over and over; to move by
turning on an axis; to impel forward by causing to turn
over and over on a supporting surface; as, to roll a
wheel, a ball, or a barrel.
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2. To wrap round on itself; to form into a spherical or
cylindrical body by causing to turn over and over; as, to
roll a sheet of paper; to roll parchment; to roll clay or
putty into a ball.
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3. To bind or involve by winding, as in a bandage; to inwrap;
-- often with up; as, to roll up a parcel.
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4. To drive or impel forward with an easy motion, as of
rolling; as, a river rolls its waters to the ocean.
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The flood of Catholic reaction was rolled over
Europe. --J. A.
Symonds.
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5. To utter copiously, esp. with sounding words; to utter
with a deep sound; -- often with forth, or out; as, to
roll forth some one's praises; to roll out sentences.
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Who roll'd the psalm to wintry skies. --Tennyson.
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6. To press or level with a roller; to spread or form with a
roll, roller, or rollers; as, to roll a field; to roll
paste; to roll steel rails, etc.
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7. To move, or cause to be moved, upon, or by means of,
rollers or small wheels.
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8. To beat with rapid, continuous strokes, as a drum; to
sound a roll upon.
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9. (Geom.) To apply (one line or surface) to another without
slipping; to bring all the parts of (one line or surface)
into successive contact with another, in suck manner that
at every instant the parts that have been in contact are
equal.
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10. To turn over in one's mind; to revolve.
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Full oft in heart he rolleth up and down
The beauty of these florins new and bright.
--Chaucer.
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{To roll one's self}, to wallow.

{To roll the eye}, to direct its axis hither and thither in
quick succession.

{To roll one's r's}, to utter the letter r with a trill.
[Colloq.]
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Rolling \Roll"ing\, a.
1. Rotating on an axis, or moving along a surface by
rotation; turning over and over as if on an axis or a
pivot; as, a rolling wheel or ball.
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2. Moving on wheels or rollers, or as if on wheels or
rollers; as, a rolling chair.
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3. Having gradual, rounded undulations of surface; as, a
rolling country; rolling land. [U.S.]
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{Rolling bridge}. See the Note under {Drawbridge}.

{Rolling circle of a paddle wheel}, the circle described by
the point whose velocity equals the velocity of the ship.
--J. Bourne.

{Rolling fire} (Mil.), a discharge of firearms by soldiers in
line, in quick succession, and in the order in which they
stand.

{Rolling friction}, that resistance to motion experienced by
one body rolling upon another which arises from the
roughness or other quality of the surfaces in contact.

{Rolling mill}, a mill furnished with heavy rolls, between
which heated metal is passed, to form it into sheets,
rails, etc.

{Rolling press}.
(a) A machine for calendering cloth by pressure between
revolving rollers.
(b) A printing press with a roller, used in copperplate
printing.

{Rolling stock}, or {Rolling plant}, the locomotives and
vehicles of a railway.

{Rolling tackle} (Naut.), tackle used to steady the yards
when the ship rolls heavily. --R. H. Dana, Jr.
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