[1] : The Collaborative International Dictionary of English v.0.48

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.
      1913 webster

   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.
      1913 webster

   3. to bind or involve by winding, as in a bandage; to inwrap;
      -- often with up; as, to roll up a parcel.
      1913 webster

   4. to drive or impel forward with an easy motion, as of
      rolling; as, a river rolls its waters to the ocean.
      1913 webster

            the flood of catholic reaction was rolled over
            europe.                               --j. a.
                                                  symonds.
      1913 webster

   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.
      1913 webster

            who roll'd the psalm to wintry skies. --tennyson.
      1913 webster

   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.
      1913 webster

   7. to move, or cause to be moved, upon, or by means of,
      rollers or small wheels.
      1913 webster

   8. to beat with rapid, continuous strokes, as a drum; to
      sound a roll upon.
      1913 webster

   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.
      1913 webster

   10. to turn over in one's mind; to revolve.
       1913 webster

             full oft in heart he rolleth up and down
             the beauty of these florins new and bright.
                                                  --chaucer.
       1913 webster
       1913 webster

   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.
      1913 webster
see also:
rolled rolling control roll rotary to roll one's self 
to roll the eye to roll one's r's 

Compound Eye >> C Words
Compound Eye, definition of term: Compound Eye
compound+eye_pag1.html

Bulls Eye >> B Words
Bulls Eye, definition of term: Bulls Eye
bulls+eye_pag1.html

Barrel Roll >> B Words
Barrel Roll, definition of term: Barrel Roll
barrel+roll_pag1.html