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burr

4 definitions found

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

Bur \Bur\, Burr \Burr\ (b[^u]r), noun [OE. burre burdock; cf. Dan. borre, OSw. borra, burdock, thistle; perh. akin to E. bristle (burr- for burz-), or perh. to F. bourre hair, wool, stuff; also, according to Cotgrave, "the downe, or hairie coat, wherewith divers herbes, fruits, and flowers, are covered," fr. L. burrae trifles, LL. reburrus rough.]

1. (Bot.) 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; a seed vessel having hooks or prickles. Also, any weed which bears burs.

Amongst rude burs and thistles. --Milton.

Bur and brake and brier. --Tennyson.

2. The thin ridge left by a tool in cutting or shaping metal. See {Burr}, noun, 2.

3. A ring of iron on a lance or spear. See {Burr}, noun, 4.

4. The lobe of the ear. See {Burr}, noun, 5.

5. The sweetbread.

6. A clinker; a partially vitrified brick.

7. (Mech.) (a) A small circular saw. (b) A triangular chisel. (c) A drill with a serrated head larger than the shank; -- especially a small drill bit used by dentists.

8. [Cf. Gael. borr, borra, a knob, bunch.] (Zool.) The round knob of an antler next to a deer's head. [Commonly written {burr}.]

{Bur oak} (Bot.), a useful and ornamental species of oak ({Quercus macrocarpa}) with ovoid acorns inclosed in deep cups imbricated with pointed scales. It grows in the Middle and Western United States, and its wood is tough, close-grained, and durable.

{Bur reed} (Bot.), a plant of the genus {Sparganium}, having long ribbonlike leaves.

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

Burr \Burr\ (b[^u]r), noun [See {Bur}.] (Bot.)

1. A prickly seed vessel. See {Bur}, 1.

2. 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.

The graver, in plowing furrows in the surface of the copper, raises corresponding ridges or burrs. --Tomlinson.

3. 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.

4. A broad iron ring on a tilting lance just below the gripe, to prevent the hand from slipping.

5. The lobe or lap of the ear.

6. [Probably of imitative origin.] 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 burr}, {Northumberland burr}, or {Tweedside burr}.

7. The knot at the bottom of an antler. See {Bur}, noun, 8.

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

Burr \Burr\, verb (used without an object) [imp. & p. p. {Burred}; p. pr. & vb. n. {Burring}.] To speak with burr; to make a hoarse or guttural murmur. --Mrs. Browning.

From WordNet (r) 3.0 (2006) [wn]:

burr

noun

1: seed vessel having hooks or prickles [syn: {bur}, {burr}]

2: rough projection left on a workpiece after drilling or cutting

3: United States politician who served as vice president under Jefferson; he mortally wounded his political rival Alexander Hamilton in a duel and fled south (1756-1836) [syn: {Burr}, {Aaron Burr}]

4: rotary file for smoothing rough edges left on a workpiece

5: small bit used in dentistry or surgery [syn: {bur}, {burr}]

verb

1: remove the burrs from [syn: {bur}, {burr}]


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Tuesday, March 3, 2015 3:11:06 AM Coordinated Universal Time (UTC)

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