名詞 burr:

1. seed vessel having hooks or prickles
   同義詞：bur
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)
   同義詞：Aaron Burr
4. rotary file for smoothing rough edges left on a workpiece
5. small bit used in dentistry or surgery
   同義詞：bur

動(dòng)詞 burr:

1. remove the burrs from
   同義詞：bur

burr

n.（名詞）
A rough edge or area remaining on material, such as metal, after it has been cast, cut, or drilled.
毛口，毛頭：被切割、沖削或鉆孔后留在原材料如金屬上的粘糙的邊或面物質(zhì)
Variant of bur
bur的變體
v.tr.（及物動(dòng)詞）
burred,burr.ing,burrs
To form a burr on.
在…上形成毛口
To remove burrs from.
除去毛口：把毛口從…除去

來源：
Variant of bur
bur的變體

burr
burr 2也作 bur

n.（名詞）
A trilling of the letterr, usually made with the tip of the tongue and characteristic of Scottish speech.
字母R：r 的顫音，通常指用舌尖發(fā)出的顫音而且具有蘇格蘭語音特征
A buzzing or whirring sound.
蜂鳴聲或呼呼聲
v.（動(dòng)詞）
burred,burr.ing,burrs 也作 burs
v.tr.（及物動(dòng)詞）
To pronounce with a burr.
用顫音發(fā)聲
v.intr.（不及物動(dòng)詞）
To speak with a burr.
發(fā)顫音.R.
To make a buzzing or whirring sound.
制造嗡嗡或呼呼聲

來源：
[Imitative]
[擬聲詞]

burr
burr 3也作 bur

n.（名詞）
A washer that fits around the smaller end of a rivet.
鉚釘墊圈：套在鉚釘較小末端的墊圈

來源：
Middle English burre [ring, disk]
中古英語 burre [環(huán)，圓盤]
alteration of burwhe [circle, disk]
burwhe的變化 [圓環(huán)，圓盤]