burr

/bər/

/bə/

Other forms: burrs; burring

Definitions of burr

1. noun

   seed vessel having hooks or prickles
   synonyms: bur

   types:

   Spanish needles, beggar-ticks

   the seed of bur marigolds

   type of:

   pericarp, seed vessel

   the ripened and variously modified walls of a plant ovary
2. noun

   rough projection left on a workpiece after drilling or cutting
   type of:

   projection

   any structure that branches out from a central support
3. noun

   rotary file for smoothing rough edges left on a workpiece
   type of:

   power tool

   a tool driven by a motor
4. noun

   small bit used in dentistry or surgery
   synonyms: bur

   type of:

   bit

   the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press
5. verb

   remove the burrs from
   synonyms: bur

   type of:

   remove, take, take away, withdraw

   remove something concrete, as by lifting, pushing, or taking off, or remove something abstract