| • | Any rough or prickly envelope of the seeds of plants, whether a pericarp, a persistent calyx, or an involucre, as of the chestnut and burdock. Also, any weed which bears burs. |
| • | The thin ridge left by a tool in cutting or shaping metal. See Burr, n., 2. |
| • | A ring of iron on a lance or spear. See Burr, n., 4. |
| • | The lobe of the ear. See Burr, n., 5. |
| • | The sweetbread. |
| • | A clinker; a partially vitrified brick. |
| • | A small circular saw. |
| • | A triangular chisel. |
| • | A drill with a serrated head larger than the shank; -- used by dentists. |
| • | The round knob of an antler next to a deer's head. |
| • | A prickly seed vessel. See Bur, 1. |
| • | The thin edge or ridge left by a tool in cutting or shaping metal, as in turning, engraving, pressing, etc.; also, the rough neck left on a bullet in casting. |
| • | A thin flat piece of metal, formed from a sheet by punching; a small washer put on the end of a rivet before it is swaged down. |
| • | A broad iron ring on a tilting lance just below the gripe, to prevent the hand from slipping. |
| • | The lobe or lap of the ear. |
| • | A guttural pronounciation of the letter r, produced by trilling the extremity of the soft palate against the back part of the tongue; rotacism; -- often called the Newcastle, Northumberland, or Tweedside, burr. |
| • | The knot at the bottom of an antler. See Bur, n., 8. |
| • | To speak with burr; to make a hoarse or guttural murmur. |
