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burr    音标拼音: [b'ɚ]
n. 粗刻边,钻孔器,毛刺
vi.
vt. 不清楚发音

粗刻边,钻孔器,毛刺不清楚发音

burr
n 1: seed vessel having hooks or prickles [synonym: {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) [synonym: {Burr},
{Aaron Burr}]
4: rotary file for smoothing rough edges left on a workpiece
5: small bit used in dentistry or surgery [synonym: {bur}, {burr}]
v 1: remove the burrs from [synonym: {bur}, {burr}]

Bur \Bur\, Burr \Burr\ (b[^u]r), n. [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.
[1913 Webster]

Amongst rude burs and thistles. --Milton.
[1913 Webster]

Bur and brake and brier. --Tennyson.
[1913 Webster]

2. The thin ridge left by a tool in cutting or shaping metal.
See {Burr}, n., 2.
[1913 Webster]

3. A ring of iron on a lance or spear. See {Burr}, n., 4.
[1913 Webster]

4. The lobe of the ear. See {Burr}, n., 5.
[1913 Webster]

5. The sweetbread.
[1913 Webster]

6. A clinker; a partially vitrified brick.
[1913 Webster]

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.
[1913 Webster]

8. [Cf. Gael. borr, borra, a knob, bunch.] (Zool.) The round
knob of an antler next to a deer's head. [Commonly written
{burr}.]
[1913 Webster]

{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.
[1913 Webster]


Burr \Burr\, v. i. [imp. & p. p. {Burred}; p. pr. & vb. n.
{Burring}.]
To speak with burr; to make a hoarse or guttural murmur.
--Mrs. Browning.
[1913 Webster]


Burr \Burr\ (b[^u]r), n. [See {Bur}.] (Bot.)
1. A prickly seed vessel. See {Bur}, 1.
[1913 Webster]

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.
[1913 Webster]

The graver, in plowing furrows in the surface of the
copper, raises corresponding ridges or burrs.
--Tomlinson.
[1913 Webster]

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.
[1913 Webster]

4. A broad iron ring on a tilting lance just below the gripe,
to prevent the hand from slipping.
[1913 Webster]

5. The lobe or lap of the ear.
[1913 Webster]

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}.
[1913 Webster]

7. The knot at the bottom of an antler. See {Bur}, n., 8.
[1913 Webster]

118 Moby Thesaurus words for "burr":
accent, adherent, adhesive, barnacle, belch, blare, blat, boll,
bramble, bray, brier, bristle, broad accent, brogue, bulldog, buzz,
cackle, cactus, capsule, catchweed, caw, cement, chirr, chiseling,
clang, clangor, clank, clash, cleavers, cod, craunch, croak,
cross-hatching, crump, crunch, decal, decalcomania, demitint,
drawl, engravement, engraving, etch, etching, follicle,
gem-engraving, glass-cutting, glue, glyptic, goose grass, graving,
grind, groan, growl, grumble, gunk, half tint, hatching, hull,
husk, incision, inscript, inscription, jangle, jar, leech, legume,
legumen, limpet, line, lining, marking, molasses, mucilage, needle,
nettle, paste, pease cod, pericarp, pine needle, plaster, pod,
prickle, quill, rasp, regional accent, remora, score, scoring,
scranch, scrape, scratch, scratching, scrunch, seed pod,
seed vessel, seedbox, seedcase, silique, slash, slashing, snarl,
snore, spicule, spiculum, spike, spikelet, spine, sticker, stipple,
stippling, syrup, thistle, thorn, tint, tooling, twang,
type-cutting, yucca


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